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122113053 = 3221296373
BaseRepresentation
bin1110100011101…
…00110000011101
322111202222121200
413101310300131
5222230104203
620041150113
73011641506
oct721646035
9274688550
10122113053
1162a25387
1234a8b339
131c3b695a
1412309bad
15aac19a3
hex7474c1d

122113053 has 12 divisors (see below), whose sum is σ = 176496060. Its totient is φ = 81357696.

The previous prime is 122112979. The next prime is 122113087. The reversal of 122113053 is 350311221.

It can be written as a sum of positive squares in 2 ways, for example, as 67026969 + 55086084 = 8187^2 + 7422^2 .

It is not a de Polignac number, because 122113053 - 28 = 122112797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122113093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15975 + ... + 22347.

It is an arithmetic number, because the mean of its divisors is an integer number (14708005).

Almost surely, 2122113053 is an apocalyptic number.

It is an amenable number.

122113053 is a deficient number, since it is larger than the sum of its proper divisors (54383007).

122113053 is a wasteful number, since it uses less digits than its factorization.

122113053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508 (or 8505 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 122113053 is about 11050.4775009951. The cubic root of 122113053 is about 496.1207175062.

Adding to 122113053 its reverse (350311221), we get a palindrome (472424274).

The spelling of 122113053 in words is "one hundred twenty-two million, one hundred thirteen thousand, fifty-three".

Divisors: 1 3 9 2129 6373 6387 19119 19161 57357 13568117 40704351 122113053