188125230 has 32 divisors (see below), whose sum is σ = 478060704. Its totient is φ = 47215616.

The previous prime is 188125193. The next prime is 188125271. The reversal of 188125230 is 32521881.

It is a super-2 number, since 2×188125230² = 70782204325105800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 183927 + ... + 184946.

It is an arithmetic number, because the mean of its divisors is an integer number (14939397).

Almost surely, 2^188125230 is an apocalyptic number.

188125230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188125230 is an abundant number, since it is smaller than the sum of its proper divisors (289935474).

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

188125230 is a wasteful number, since it uses less digits than its factorization.

188125230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368900.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 188125230 is about 13715.8751087927. The cubic root of 188125230 is about 572.9926018373.

It can be divided in two parts, 18812 and 5230, that added together give a palindrome (24042).

The spelling of 188125230 in words is "one hundred eighty-eight million, one hundred twenty-five thousand, two hundred thirty".