125243324542 has 16 divisors (see below), whose sum is σ = 219270988800. Its totient is φ = 52533673848.

The previous prime is 125243324473. The next prime is 125243324573. The reversal of 125243324542 is 245423342521.

It is a happy number.

It is a congruent number.

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, 95169042 + ... + 95170357.

It is an arithmetic number, because the mean of its divisors is an integer number (13704436800).

Almost surely, 2^125243324542 is an apocalyptic number.

125243324542 is a deficient number, since it is larger than the sum of its proper divisors (94027664258).

125243324542 is a wasteful number, since it uses less digits than its factorization.

125243324542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190339455.

The product of its digits is 230400, while the sum is 37.

The spelling of 125243324542 in words is "one hundred twenty-five billion, two hundred forty-three million, three hundred twenty-four thousand, five hundred forty-two".