122631471542 has 8 divisors (see below), whose sum is σ = 183955658376. Its totient is φ = 61312918752.

The previous prime is 122631471527. The next prime is 122631471593. The reversal of 122631471542 is 245174136221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122631471496 and 122631471505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353668 + ... + 1441415.

It is an arithmetic number, because the mean of its divisors is an integer number (22994457297).

Almost surely, 2^122631471542 is an apocalyptic number.

122631471542 is a deficient number, since it is larger than the sum of its proper divisors (61324186834).

122631471542 is a wasteful number, since it uses less digits than its factorization.

122631471542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817022.

The product of its digits is 80640, while the sum is 38.

The spelling of 122631471542 in words is "one hundred twenty-two billion, six hundred thirty-one million, four hundred seventy-one thousand, five hundred forty-two".