125645632130 has 32 divisors (see below), whose sum is σ = 226752825600. Its totient is φ = 50127078400.

The previous prime is 125645632109. The next prime is 125645632157. The reversal of 125645632130 is 31236546521.

It is a super-3 number, since 3×125645632130³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19981847 + ... + 19988133.

It is an arithmetic number, because the mean of its divisors is an integer number (7086025800).

Almost surely, 2^125645632130 is an apocalyptic number.

125645632130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125645632130 is a deficient number, since it is larger than the sum of its proper divisors (101107193470).

125645632130 is a wasteful number, since it uses less digits than its factorization.

125645632130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11194.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 125645632130 in words is "one hundred twenty-five billion, six hundred forty-five million, six hundred thirty-two thousand, one hundred thirty".