125550225 has 36 divisors (see below), whose sum is σ = 226571436. Its totient is φ = 66455040.

The previous prime is 125550209. The next prime is 125550259. The reversal of 125550225 is 522055521.

It can be written as a sum of positive squares in 6 ways, for example, as 12702096 + 112848129 = 3564^2 + 10623^2 .

It is not a de Polignac number, because 125550225 - 2⁴ = 125550209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28789 + ... + 32861.

It is an arithmetic number, because the mean of its divisors is an integer number (6293651).

Almost surely, 2^125550225 is an apocalyptic number.

125550225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125550225 is a deficient number, since it is larger than the sum of its proper divisors (101021211).

125550225 is a wasteful number, since it uses less digits than its factorization.

125550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 125550225 is about 11204.9196784270. The cubic root of 125550225 is about 500.7325595223.

The spelling of 125550225 in words is "one hundred twenty-five million, five hundred fifty thousand, two hundred twenty-five".