125554323442 has 16 divisors (see below), whose sum is σ = 192998175552. Its totient is φ = 61239792240.

The previous prime is 125554323439. The next prime is 125554323523. The reversal of 125554323442 is 244323455521.

It is a junction number, because it is equal to n+sod(n) for n = 125554323395 and 125554323404.

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, 4534609 + ... + 4562212.

It is an arithmetic number, because the mean of its divisors is an integer number (12062385972).

Almost surely, 2^125554323442 is an apocalyptic number.

125554323442 is a deficient number, since it is larger than the sum of its proper divisors (67443852110).

125554323442 is a wasteful number, since it uses less digits than its factorization.

125554323442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9096993.

The product of its digits is 576000, while the sum is 40.

Adding to 125554323442 its reverse (244323455521), we get a palindrome (369877778963).

The spelling of 125554323442 in words is "one hundred twenty-five billion, five hundred fifty-four million, three hundred twenty-three thousand, four hundred forty-two".