125612198 has 4 divisors (see below), whose sum is σ = 188418300. Its totient is φ = 62806098.

The previous prime is 125612191. The next prime is 125612213. The reversal of 125612198 is 891216521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125612191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31403048 + ... + 31403051.

It is an arithmetic number, because the mean of its divisors is an integer number (47104575).

Almost surely, 2^125612198 is an apocalyptic number.

125612198 is a deficient number, since it is larger than the sum of its proper divisors (62806102).

125612198 is an equidigital number, since it uses as much as digits as its factorization.

125612198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62806101.

The product of its digits is 8640, while the sum is 35.

The square root of 125612198 is about 11207.6847742966. The cubic root of 125612198 is about 500.8149350401.

The spelling of 125612198 in words is "one hundred twenty-five million, six hundred twelve thousand, one hundred ninety-eight".