125395590 has 64 divisors (see below), whose sum is σ = 311345856. Its totient is φ = 32297472.

The previous prime is 125395579. The next prime is 125395601. The reversal of 125395590 is 95593521.

It is an interprime number because it is at equal distance from previous prime (125395579) and next prime (125395601).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191704 + ... + 192356.

It is an arithmetic number, because the mean of its divisors is an integer number (4864779).

Almost surely, 2^125395590 is an apocalyptic number.

125395590 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 125395590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155672928).

125395590 is an abundant number, since it is smaller than the sum of its proper divisors (185950266).

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

125395590 is a wasteful number, since it uses less digits than its factorization.

125395590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 60750, while the sum is 39.

The square root of 125395590 is about 11198.0172352073. The cubic root of 125395590 is about 500.5268978955.

The spelling of 125395590 in words is "one hundred twenty-five million, three hundred ninety-five thousand, five hundred ninety".