125645630 has 16 divisors (see below), whose sum is σ = 246722544. Its totient is φ = 45689280.

The previous prime is 125645621. The next prime is 125645671. The reversal of 125645630 is 36546521.

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, 571007 + ... + 571226.

It is an arithmetic number, because the mean of its divisors is an integer number (15420159).

Almost surely, 2^125645630 is an apocalyptic number.

125645630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125645630 is a deficient number, since it is larger than the sum of its proper divisors (121076914).

125645630 is a wasteful number, since it uses less digits than its factorization.

125645630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142251.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 125645630 is about 11209.1761517071. The cubic root of 125645630 is about 500.8593621472.

The spelling of 125645630 in words is "one hundred twenty-five million, six hundred forty-five thousand, six hundred thirty".