126979392 has 56 divisors (see below), whose sum is σ = 355738176. Its totient is φ = 39835648.

The previous prime is 126979357. The next prime is 126979393. The reversal of 126979392 is 293979621.

It is a super-2 number, since 2×126979392² = 32247531985379328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126979393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16188 + ... + 22715.

Almost surely, 2^126979392 is an apocalyptic number.

126979392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126979392 is an abundant number, since it is smaller than the sum of its proper divisors (228758784).

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

126979392 is a wasteful number, since it uses less digits than its factorization.

126979392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38935 (or 38925 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 126979392 is about 11268.5133003427. The cubic root of 126979392 is about 502.6253799657.

The spelling of 126979392 in words is "one hundred twenty-six million, nine hundred seventy-nine thousand, three hundred ninety-two".