125131623542 has 8 divisors (see below), whose sum is σ = 187699323600. Its totient is φ = 62565182344.

The previous prime is 125131623541. The next prime is 125131623557. The reversal of 125131623542 is 245326131521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125131623541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5417 + ... + 500292.

It is an arithmetic number, because the mean of its divisors is an integer number (23462415450).

Almost surely, 2^125131623542 is an apocalyptic number.

125131623542 is a deficient number, since it is larger than the sum of its proper divisors (62567700058).

125131623542 is a wasteful number, since it uses less digits than its factorization.

125131623542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629430.

The product of its digits is 43200, while the sum is 35.

The spelling of 125131623542 in words is "one hundred twenty-five billion, one hundred thirty-one million, six hundred twenty-three thousand, five hundred forty-two".