125791418 has 8 divisors (see below), whose sum is σ = 188808948. Its totient is φ = 62855104.

The previous prime is 125791409. The next prime is 125791423. The reversal of 125791418 is 814197521.

It can be written as a sum of positive squares in 2 ways, for example, as 125372809 + 418609 = 11197^2 + 647^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16271 + ... + 22722.

Almost surely, 2^125791418 is an apocalyptic number.

125791418 is a deficient number, since it is larger than the sum of its proper divisors (63017530).

125791418 is a wasteful number, since it uses less digits than its factorization.

125791418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40608.

The product of its digits is 20160, while the sum is 38.

The square root of 125791418 is about 11215.6773313073. The cubic root of 125791418 is about 501.0530048050.

The spelling of 125791418 in words is "one hundred twenty-five million, seven hundred ninety-one thousand, four hundred eighteen".