101788242 has 8 divisors (see below), whose sum is σ = 203576496. Its totient is φ = 33929412.

The previous prime is 101788237. The next prime is 101788243. The reversal of 101788242 is 242887101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

101788242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (101788243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8482348 + ... + 8482359.

It is an arithmetic number, because the mean of its divisors is an integer number (25447062).

Almost surely, 2^101788242 is an apocalyptic number.

101788242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101788242 is a wasteful number, since it uses less digits than its factorization.

101788242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16964712.

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

The square root of 101788242 is about 10089.0159084026. The cubic root of 101788242 is about 466.9093145140.

The spelling of 101788242 in words is "one hundred one million, seven hundred eighty-eight thousand, two hundred forty-two".