100021074 has 16 divisors (see below), whose sum is σ = 200286912. Its totient is φ = 33299568.

The previous prime is 100021039. The next prime is 100021091. The reversal of 100021074 is 470120001.

It is a super-2 number, since 2×100021074² = 20008430488226952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (12517932).

Almost surely, 2^100021074 is an apocalyptic number.

100021074 is an abundant number, since it is smaller than the sum of its proper divisors (100265838).

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

100021074 is a wasteful number, since it uses less digits than its factorization.

100021074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20401.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 100021074 is about 10001.0536444917. The cubic root of 100021074 is about 464.1914866855.

Adding to 100021074 its reverse (470120001), we get a palindrome (570141075).

The spelling of 100021074 in words is "one hundred million, twenty-one thousand, seventy-four".