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121131422 = 2193187669
BaseRepresentation
bin1110011100001…
…01000110011110
322102221010001222
413032011012132
5222002201142
620004133342
73000412556
oct716050636
9272833058
10121131422
1162414915
1234697252
131c131bc9
1412132166
15a97abd2
hex738519e

121131422 has 8 divisors (see below), whose sum is σ = 191260200. Its totient is φ = 57378024.

The previous prime is 121131407. The next prime is 121131431. The reversal of 121131422 is 224131121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121131422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593797 + ... + 1593872.

It is an arithmetic number, because the mean of its divisors is an integer number (23907525).

Almost surely, 2121131422 is an apocalyptic number.

121131422 is a deficient number, since it is larger than the sum of its proper divisors (70128778).

121131422 is a wasteful number, since it uses less digits than its factorization.

121131422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187690.

The product of its digits is 96, while the sum is 17.

The square root of 121131422 is about 11005.9721060886. The cubic root of 121131422 is about 494.7877496991.

Adding to 121131422 its reverse (224131121), we get a palindrome (345262543).

The spelling of 121131422 in words is "one hundred twenty-one million, one hundred thirty-one thousand, four hundred twenty-two".

Divisors: 1 2 19 38 3187669 6375338 60565711 121131422