126507964 has 24 divisors (see below), whose sum is σ = 242178048. Its totient is φ = 57345840.

The previous prime is 126507943. The next prime is 126507967. The reversal of 126507964 is 469705621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126507967) 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, 13099 + ... + 20605.

It is an arithmetic number, because the mean of its divisors is an integer number (10090752).

Almost surely, 2^126507964 is an apocalyptic number.

It is an amenable number.

126507964 is a deficient number, since it is larger than the sum of its proper divisors (115670084).

126507964 is a wasteful number, since it uses less digits than its factorization.

126507964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905 (or 7903 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 126507964 is about 11247.5759166142. The cubic root of 126507964 is about 502.0025872472.

The spelling of 126507964 in words is "one hundred twenty-six million, five hundred seven thousand, nine hundred sixty-four".