125126622500 has 60 divisors (see below), whose sum is σ = 298502136240. Its totient is φ = 45500580000.

The previous prime is 125126622493. The next prime is 125126622521. The reversal of 125126622500 is 5226621521.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2247530 + ... + 2302529.

It is an arithmetic number, because the mean of its divisors is an integer number (4975035604).

Almost surely, 2^125126622500 is an apocalyptic number.

125126622500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125126622500 is an abundant number, since it is smaller than the sum of its proper divisors (173375513740).

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

125126622500 is a wasteful number, since it uses less digits than its factorization.

125126622500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550094 (or 4550077 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 125126622500 in words is "one hundred twenty-five billion, one hundred twenty-six million, six hundred twenty-two thousand, five hundred".