125387687998 has 8 divisors (see below), whose sum is σ = 188102090160. Its totient is φ = 62686991280.

The previous prime is 125387687989. The next prime is 125387688011. The reversal of 125387687998 is 899786783521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125387687998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3403458 + ... + 3440101.

It is an arithmetic number, because the mean of its divisors is an integer number (23512761270).

Almost surely, 2^125387687998 is an apocalyptic number.

125387687998 is a deficient number, since it is larger than the sum of its proper divisors (62714402162).

125387687998 is an equidigital number, since it uses as much as digits as its factorization.

125387687998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852722.

The product of its digits is 365783040, while the sum is 73.

The spelling of 125387687998 in words is "one hundred twenty-five billion, three hundred eighty-seven million, six hundred eighty-seven thousand, nine hundred ninety-eight".