125138188882 has 8 divisors (see below), whose sum is σ = 214522609536. Its totient is φ = 53630652372.

The previous prime is 125138188867. The next prime is 125138188897. The reversal of 125138188882 is 288881831521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125138188867) and next prime (125138188897).

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4469221018 + ... + 4469221045.

It is an arithmetic number, because the mean of its divisors is an integer number (26815326192).

Almost surely, 2^125138188882 is an apocalyptic number.

125138188882 is a deficient number, since it is larger than the sum of its proper divisors (89384420654).

125138188882 is an equidigital number, since it uses as much as digits as its factorization.

125138188882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938442072.

The product of its digits is 1966080, while the sum is 55.

The spelling of 125138188882 in words is "one hundred twenty-five billion, one hundred thirty-eight million, one hundred eighty-eight thousand, eight hundred eighty-two".