126707644 has 24 divisors (see below), whose sum is σ = 264434688. Its totient is φ = 51942000.

The previous prime is 126707639. The next prime is 126707657. The reversal of 126707644 is 446707621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97732 + ... + 99019.

It is an arithmetic number, because the mean of its divisors is an integer number (11018112).

Almost surely, 2^126707644 is an apocalyptic number.

126707644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126707644 is an abundant number, since it is smaller than the sum of its proper divisors (137727044).

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

126707644 is a wasteful number, since it uses less digits than its factorization.

126707644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196785 (or 196783 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 126707644 is about 11256.4489960200. The cubic root of 126707644 is about 502.2665684759.

The spelling of 126707644 in words is "one hundred twenty-six million, seven hundred seven thousand, six hundred forty-four".