125404542244 has 24 divisors (see below), whose sum is σ = 224346124800. Its totient is φ = 61316778720.

The previous prime is 125404542239. The next prime is 125404542281. The reversal of 125404542244 is 442245404521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345959 + ... + 1436110.

It is an arithmetic number, because the mean of its divisors is an integer number (9347755200).

Almost surely, 2^125404542244 is an apocalyptic number.

It is an amenable number.

125404542244 is a deficient number, since it is larger than the sum of its proper divisors (98941582556).

125404542244 is a wasteful number, since it uses less digits than its factorization.

125404542244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782323 (or 2782321 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 125404542244 its reverse (442245404521), we get a palindrome (567649946765).

The spelling of 125404542244 in words is "one hundred twenty-five billion, four hundred four million, five hundred forty-two thousand, two hundred forty-four".