126912944 has 20 divisors (see below), whose sum is σ = 246093624. Its totient is φ = 63404928.

The previous prime is 126912943. The next prime is 126912949. The reversal of 126912944 is 449219621.

It is a super-2 number, since 2×126912944² = 32213790709494272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126912898 and 126912907.

It is not an unprimeable number, because it can be changed into a prime (126912943) 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 3 ways as a sum of consecutive naturals, for example, 24119 + ... + 28905.

Almost surely, 2^126912944 is an apocalyptic number.

It is an amenable number.

126912944 is a deficient number, since it is larger than the sum of its proper divisors (119180680).

126912944 is a wasteful number, since it uses less digits than its factorization.

126912944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452 (or 6446 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 126912944 is about 11265.5645220291. The cubic root of 126912944 is about 502.5376904643.

The spelling of 126912944 in words is "one hundred twenty-six million, nine hundred twelve thousand, nine hundred forty-four".