125744717620 has 24 divisors (see below), whose sum is σ = 264070685088. Its totient is φ = 50296596000.

The previous prime is 125744717617. The next prime is 125744717647. The reversal of 125744717620 is 26717447521.

It is a congruent number.

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, 1266795 + ... + 1362445.

It is an arithmetic number, because the mean of its divisors is an integer number (11002945212).

Almost surely, 2^125744717620 is an apocalyptic number.

125744717620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125744717620 is an abundant number, since it is smaller than the sum of its proper divisors (138325967468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125744717620 is a wasteful number, since it uses less digits than its factorization.

125744717620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161391 (or 161389 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 125744717620 in words is "one hundred twenty-five billion, seven hundred forty-four million, seven hundred seventeen thousand, six hundred twenty".