100056242 has 32 divisors (see below), whose sum is σ = 185613120. Its totient is φ = 39769920.

The previous prime is 100056241. The next prime is 100056247. The reversal of 100056242 is 242650001.

It is a happy number.

It is a super-2 number, since 2×100056242² = 20022503126325128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100056241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3773 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (5800410).

Almost surely, 2^100056242 is an apocalyptic number.

100056242 is a deficient number, since it is larger than the sum of its proper divisors (85556878).

100056242 is a wasteful number, since it uses less digits than its factorization.

100056242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18458.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 100056242 is about 10002.8117047158. The cubic root of 100056242 is about 464.2458844660.

The spelling of 100056242 in words is "one hundred million, fifty-six thousand, two hundred forty-two".