147721995124 has 24 divisors (see below), whose sum is σ = 282530330208. Its totient is φ = 67023596640.

The previous prime is 147721995101. The next prime is 147721995149. The reversal of 147721995124 is 421599127741.

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, 3044779 + ... + 3092914.

It is an arithmetic number, because the mean of its divisors is an integer number (11772097092).

Almost surely, 2^147721995124 is an apocalyptic number.

It is an amenable number.

147721995124 is a deficient number, since it is larger than the sum of its proper divisors (134808335084).

147721995124 is a wasteful number, since it uses less digits than its factorization.

147721995124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138255 (or 6138253 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The spelling of 147721995124 in words is "one hundred forty-seven billion, seven hundred twenty-one million, nine hundred ninety-five thousand, one hundred twenty-four".