125021204763 has 32 divisors (see below), whose sum is σ = 205182684672. Its totient is φ = 65938924800.

The previous prime is 125021204743. The next prime is 125021204779. The reversal of 125021204763 is 367402120521.

It is not a de Polignac number, because 125021204763 - 2¹³ = 125021196571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125021204713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4630543 + ... + 4657463.

It is an arithmetic number, because the mean of its divisors is an integer number (6411958896).

Almost surely, 2^125021204763 is an apocalyptic number.

125021204763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125021204763 is a deficient number, since it is larger than the sum of its proper divisors (80161479909).

125021204763 is a wasteful number, since it uses less digits than its factorization.

125021204763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43955.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 125021204763 in words is "one hundred twenty-five billion, twenty-one million, two hundred four thousand, seven hundred sixty-three".