125250621670 has 16 divisors (see below), whose sum is σ = 225470337120. Its totient is φ = 50095977984.

The previous prime is 125250621641. The next prime is 125250621679. The reversal of 125250621670 is 76126052521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125250621679) by changing a digit.

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, 409275 + ... + 646534.

It is an arithmetic number, because the mean of its divisors is an integer number (14091896070).

Almost surely, 2^125250621670 is an apocalyptic number.

125250621670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125250621670 is a deficient number, since it is larger than the sum of its proper divisors (100219715450).

125250621670 is a wasteful number, since it uses less digits than its factorization.

125250621670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067679.

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

The spelling of 125250621670 in words is "one hundred twenty-five billion, two hundred fifty million, six hundred twenty-one thousand, six hundred seventy".