125642214627 has 4 divisors (see below), whose sum is σ = 167522952840. Its totient is φ = 83761476416.

The previous prime is 125642214589. The next prime is 125642214671. The reversal of 125642214627 is 726412246521.

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

It is a cyclic number.

It is not a de Polignac number, because 125642214627 - 2⁸ = 125642214371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125642219627) by changing a digit.

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, 20940369102 + ... + 20940369107.

It is an arithmetic number, because the mean of its divisors is an integer number (41880738210).

Almost surely, 2^125642214627 is an apocalyptic number.

125642214627 is a deficient number, since it is larger than the sum of its proper divisors (41880738213).

125642214627 is an equidigital number, since it uses as much as digits as its factorization.

125642214627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41880738212.

The product of its digits is 322560, while the sum is 42.

The spelling of 125642214627 in words is "one hundred twenty-five billion, six hundred forty-two million, two hundred fourteen thousand, six hundred twenty-seven".