189420124 has 24 divisors (see below), whose sum is σ = 337554000. Its totient is φ = 92991360.

The previous prime is 189420097. The next prime is 189420151. The reversal of 189420124 is 421024981.

It is an interprime number because it is at equal distance from previous prime (189420097) and next prime (189420151).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51259 + ... + 54829.

It is an arithmetic number, because the mean of its divisors is an integer number (14064750).

Almost surely, 2^189420124 is an apocalyptic number.

It is an amenable number.

189420124 is a deficient number, since it is larger than the sum of its proper divisors (148133876).

189420124 is a wasteful number, since it uses less digits than its factorization.

189420124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 189420124 is about 13762.9983651819. The cubic root of 189420124 is about 574.3042614714.

The spelling of 189420124 in words is "one hundred eighty-nine million, four hundred twenty thousand, one hundred twenty-four".