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122113108 = 2213171071291
BaseRepresentation
bin1110100011101…
…00110001010100
322111202222200201
413101310301110
5222230104413
620041150244
73011641615
oct721646124
9274688621
10122113108
1162a25427
1234a8b384
131c3b69a0
1412309c0c
15aac19dd
hex7474c54

122113108 has 48 divisors (see below), whose sum is σ = 246141504. Its totient is φ = 52508160.

The previous prime is 122113093. The next prime is 122113109. The reversal of 122113108 is 801311221.

It is a super-2 number, since 2×1221131082 = 29823222290839328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122113109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93943 + ... + 95233.

It is an arithmetic number, because the mean of its divisors is an integer number (5127948).

Almost surely, 2122113108 is an apocalyptic number.

It is an amenable number.

122113108 is an abundant number, since it is smaller than the sum of its proper divisors (124028396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122113108 is a wasteful number, since it uses less digits than its factorization.

122113108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 122113108 is about 11050.4799895751. The cubic root of 122113108 is about 496.1207919909.

Adding to 122113108 its reverse (801311221), we get a palindrome (923424329).

It can be divided in two parts, 122113 and 108, that added together give a palindrome (122221).

The spelling of 122113108 in words is "one hundred twenty-two million, one hundred thirteen thousand, one hundred eight".

Divisors: 1 2 4 13 17 26 34 52 68 107 214 221 428 442 884 1291 1391 1819 2582 2782 3638 5164 5564 7276 16783 21947 23647 33566 43894 47294 67132 87788 94588 138137 276274 285311 552548 570622 1141244 1795781 2348329 3591562 4696658 7183124 9393316 30528277 61056554 122113108