126977712 has 40 divisors (see below), whose sum is σ = 330216960. Its totient is φ = 42043200.

The previous prime is 126977707. The next prime is 126977713. The reversal of 126977712 is 217779621.

It is a super-2 number, since 2×126977712² = 32246678689509888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126977713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512 + ... + 16007.

It is an arithmetic number, because the mean of its divisors is an integer number (8255424).

Almost surely, 2^126977712 is an apocalyptic number.

126977712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126977712 is an abundant number, since it is smaller than the sum of its proper divisors (203239248).

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

126977712 is a wasteful number, since it uses less digits than its factorization.

126977712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681 (or 17675 counting only the distinct ones).

The product of its digits is 74088, while the sum is 42.

The square root of 126977712 is about 11268.4387561010. The cubic root of 126977712 is about 502.6231632954.

The spelling of 126977712 in words is "one hundred twenty-six million, nine hundred seventy-seven thousand, seven hundred twelve".