125717250 has 32 divisors (see below), whose sum is σ = 313792128. Its totient is φ = 33524400.

The previous prime is 125717239. The next prime is 125717257. The reversal of 125717250 is 52717521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (125717257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83062 + ... + 84561.

It is an arithmetic number, because the mean of its divisors is an integer number (9806004).

Almost surely, 2^125717250 is an apocalyptic number.

125717250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125717250 is an abundant number, since it is smaller than the sum of its proper divisors (188074878).

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

125717250 is a wasteful number, since it uses less digits than its factorization.

125717250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167643 (or 167633 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 125717250 is about 11212.3704005888. The cubic root of 125717250 is about 500.9545099951.

The spelling of 125717250 in words is "one hundred twenty-five million, seven hundred seventeen thousand, two hundred fifty".