125562746842 has 32 divisors (see below), whose sum is σ = 204652449792. Its totient is φ = 57432945024.

The previous prime is 125562746819. The next prime is 125562746867. The reversal of 125562746842 is 248647265521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125562746842.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3073683 + ... + 3114265.

It is an arithmetic number, because the mean of its divisors is an integer number (6395389056).

Almost surely, 2^125562746842 is an apocalyptic number.

125562746842 is a deficient number, since it is larger than the sum of its proper divisors (79089702950).

125562746842 is a wasteful number, since it uses less digits than its factorization.

125562746842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41662.

The product of its digits is 6451200, while the sum is 52.

The spelling of 125562746842 in words is "one hundred twenty-five billion, five hundred sixty-two million, seven hundred forty-six thousand, eight hundred forty-two".