125712398 has 32 divisors (see below), whose sum is σ = 228096000. Its totient is φ = 50760864.

The previous prime is 125712397. The next prime is 125712401. The reversal of 125712398 is 893217521.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125712397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51203 + ... + 53601.

It is an arithmetic number, because the mean of its divisors is an integer number (7128000).

Almost surely, 2^125712398 is an apocalyptic number.

125712398 is a deficient number, since it is larger than the sum of its proper divisors (102383602).

125712398 is a wasteful number, since it uses less digits than its factorization.

125712398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624.

The product of its digits is 30240, while the sum is 38.

The square root of 125712398 is about 11212.1540303369. The cubic root of 125712398 is about 500.9480652085.

The spelling of 125712398 in words is "one hundred twenty-five million, seven hundred twelve thousand, three hundred ninety-eight".