125142556862 has 4 divisors (see below), whose sum is σ = 187713835296. Its totient is φ = 62571278430.

The previous prime is 125142556843. The next prime is 125142556937. The reversal of 125142556862 is 268655241521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 31285639214 + ... + 31285639217.

It is an arithmetic number, because the mean of its divisors is an integer number (46928458824).

Almost surely, 2^125142556862 is an apocalyptic number.

125142556862 is a deficient number, since it is larger than the sum of its proper divisors (62571278434).

125142556862 is an equidigital number, since it uses as much as digits as its factorization.

125142556862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62571278433.

The product of its digits is 1152000, while the sum is 47.

The spelling of 125142556862 in words is "one hundred twenty-five billion, one hundred forty-two million, five hundred fifty-six thousand, eight hundred sixty-two".