126520667372 has 24 divisors (see below), whose sum is σ = 242873943312. Its totient is φ = 57191659200.

The previous prime is 126520667321. The next prime is 126520667423. The reversal of 126520667372 is 273766025621.

It is an interprime number because it is at equal distance from previous prime (126520667321) and next prime (126520667423).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7935323 + ... + 7951250.

It is an arithmetic number, because the mean of its divisors is an integer number (10119747638).

Almost surely, 2^126520667372 is an apocalyptic number.

It is an amenable number.

126520667372 is a deficient number, since it is larger than the sum of its proper divisors (116353275940).

126520667372 is a wasteful number, since it uses less digits than its factorization.

126520667372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15886769 (or 15886767 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 126520667372 in words is "one hundred twenty-six billion, five hundred twenty million, six hundred sixty-seven thousand, three hundred seventy-two".