125557098 has 16 divisors (see below), whose sum is σ = 251333280. Its totient is φ = 41815856.

The previous prime is 125557079. The next prime is 125557123. The reversal of 125557098 is 890755521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140 + ... + 15887.

It is an arithmetic number, because the mean of its divisors is an integer number (15708330).

Almost surely, 2^125557098 is an apocalyptic number.

125557098 is an abundant number, since it is smaller than the sum of its proper divisors (125776182).

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

125557098 is a wasteful number, since it uses less digits than its factorization.

125557098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261.

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 125557098 is about 11205.2263698687. The cubic root of 125557098 is about 500.7416965617.

The spelling of 125557098 in words is "one hundred twenty-five million, five hundred fifty-seven thousand, ninety-eight".