189131124 has 192 divisors, whose sum is σ = 579633152. Its totient is φ = 46656000.

The previous prime is 189131123. The next prime is 189131143. The reversal of 189131124 is 421131981.

It is a junction number, because it is equal to n+sod(n) for n = 189131091 and 189131100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189131123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1252449 + ... + 1252599.

Almost surely, 2^189131124 is an apocalyptic number.

189131124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189131124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289816576).

189131124 is an abundant number, since it is smaller than the sum of its proper divisors (390502028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189131124 is a wasteful number, since it uses less digits than its factorization.

189131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 244 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 189131124 is about 13752.4951917825. The cubic root of 189131124 is about 574.0120390665.

The spelling of 189131124 in words is "one hundred eighty-nine million, one hundred thirty-one thousand, one hundred twenty-four".