125137501264 has 40 divisors (see below), whose sum is σ = 248939504352. Its totient is φ = 60904986240.

The previous prime is 125137501253. The next prime is 125137501271. The reversal of 125137501264 is 462105731521.

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, 108802 + ... + 511969.

Almost surely, 2^125137501264 is an apocalyptic number.

It is an amenable number.

125137501264 is a deficient number, since it is larger than the sum of its proper divisors (123802003088).

125137501264 is a wasteful number, since it uses less digits than its factorization.

125137501264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621115 (or 621109 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 125137501264 in words is "one hundred twenty-five billion, one hundred thirty-seven million, five hundred one thousand, two hundred sixty-four".