125903900 has 18 divisors (see below), whose sum is σ = 273211680. Its totient is φ = 50361520.

The previous prime is 125903893. The next prime is 125903923. The reversal of 125903900 is 9309521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629420 + ... + 629619.

Almost surely, 2^125903900 is an apocalyptic number.

125903900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125903900 is an abundant number, since it is smaller than the sum of its proper divisors (147307780).

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

125903900 is a wasteful number, since it uses less digits than its factorization.

125903900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259053 (or 1259046 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 125903900 is about 11220.6907095776. The cubic root of 125903900 is about 501.2023066004.

The spelling of 125903900 in words is "one hundred twenty-five million, nine hundred three thousand, nine hundred".