189320427124 has 12 divisors (see below), whose sum is σ = 332757520900. Its totient is φ = 94246849728.

The previous prime is 189320427103. The next prime is 189320427151. The reversal of 189320427124 is 421724023981.

It can be written as a sum of positive squares in 2 ways, for example, as 94659598224 + 94660828900 = 307668^2 + 307670^2 .

It is a super-2 number, since 2×189320427124² (a number of 23 digits) contains 22 as substring.

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, 103339929 + ... + 103341760.

Almost surely, 2^189320427124 is an apocalyptic number.

It is an amenable number.

189320427124 is a deficient number, since it is larger than the sum of its proper divisors (143437093776).

189320427124 is a wasteful number, since it uses less digits than its factorization.

189320427124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206681922 (or 206681920 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 189320427124 in words is "one hundred eighty-nine billion, three hundred twenty million, four hundred twenty-seven thousand, one hundred twenty-four".