125072250 has 128 divisors (see below), whose sum is σ = 336061440. Its totient is φ = 30888000.

The previous prime is 125072237. The next prime is 125072279. The reversal of 125072250 is 52270521.

It is a self number, because there is not a number n which added to its sum of digits gives 125072250.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 954685 + ... + 954815.

It is an arithmetic number, because the mean of its divisors is an integer number (2625480).

Almost surely, 2^125072250 is an apocalyptic number.

125072250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125072250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168030720).

125072250 is an abundant number, since it is smaller than the sum of its proper divisors (210989190).

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

125072250 is a wasteful number, since it uses less digits than its factorization.

125072250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 125072250 is about 11183.5705389647. The cubic root of 125072250 is about 500.0963147791.

The spelling of 125072250 in words is "one hundred twenty-five million, seventy-two thousand, two hundred fifty".