125518898 has 8 divisors (see below), whose sum is σ = 188353308. Its totient is φ = 62734464.

The previous prime is 125518879. The next prime is 125518909. The reversal of 125518898 is 898815521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112508449 + 13010449 = 10607^2 + 3607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5411 + ... + 16742.

Almost surely, 2^125518898 is an apocalyptic number.

125518898 is a deficient number, since it is larger than the sum of its proper divisors (62834410).

125518898 is a wasteful number, since it uses less digits than its factorization.

125518898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24988.

The product of its digits is 230400, while the sum is 47.

The square root of 125518898 is about 11203.5216784724. The cubic root of 125518898 is about 500.6909088502.

The spelling of 125518898 in words is "one hundred twenty-five million, five hundred eighteen thousand, eight hundred ninety-eight".