125276037677242 has 4 divisors (see below), whose sum is σ = 187914056515866. Its totient is φ = 62638018838620.

The previous prime is 125276037677213. The next prime is 125276037677281. The reversal of 125276037677242 is 242776730672521.

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

It can be written as a sum of positive squares in only one way, i.e., 94825936855321 + 30450100821921 = 9737861^2 + 5518161^2 .

It is a super-2 number, since 2×125276037677242² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31319009419309 + ... + 31319009419312.

Almost surely, 2^{125276037677242} is an apocalyptic number.

125276037677242 is a deficient number, since it is larger than the sum of its proper divisors (62638018838624).

125276037677242 is an equidigital number, since it uses as much as digits as its factorization.

125276037677242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62638018838623.

The product of its (nonzero) digits is 82978560, while the sum is 61.

The spelling of 125276037677242 in words is "one hundred twenty-five trillion, two hundred seventy-six billion, thirty-seven million, six hundred seventy-seven thousand, two hundred forty-two".