188071242 has 32 divisors (see below), whose sum is σ = 385782912. Its totient is φ = 61099584.

The previous prime is 188071237. The next prime is 188071307. The reversal of 188071242 is 242170881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48043 + ... + 51809.

It is an arithmetic number, because the mean of its divisors is an integer number (12055716).

Almost surely, 2^188071242 is an apocalyptic number.

188071242 is an abundant number, since it is smaller than the sum of its proper divisors (197711670).

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

188071242 is a wasteful number, since it uses less digits than its factorization.

188071242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 188071242 is about 13713.9068831606. The cubic root of 188071242 is about 572.9377843021.

The spelling of 188071242 in words is "one hundred eighty-eight million, seventy-one thousand, two hundred forty-two".