125302734664 has 8 divisors (see below), whose sum is σ = 234942627510. Its totient is φ = 62651367328.

The previous prime is 125302734643. The next prime is 125302734707. The reversal of 125302734664 is 466437203521.

It can be written as a sum of positive squares in only one way, i.e., 76863126564 + 48439608100 = 277242^2 + 220090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 125302734664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7831420909 + ... + 7831420924.

Almost surely, 2^125302734664 is an apocalyptic number.

It is an amenable number.

125302734664 is a deficient number, since it is larger than the sum of its proper divisors (109639892846).

125302734664 is a wasteful number, since it uses less digits than its factorization.

125302734664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15662841839 (or 15662841835 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 125302734664 in words is "one hundred twenty-five billion, three hundred two million, seven hundred thirty-four thousand, six hundred sixty-four".