100021274 has 8 divisors (see below), whose sum is σ = 150231348. Its totient is φ = 49944160.

The previous prime is 100021237. The next prime is 100021277. The reversal of 100021274 is 472120001.

It can be written as a sum of positive squares in 2 ways, for example, as 79834225 + 20187049 = 8935^2 + 4493^2 .

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

It is not an unprimeable number, because it can be changed into a prime (100021277) 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, 31337 + ... + 34380.

Almost surely, 2^100021274 is an apocalyptic number.

100021274 is a deficient number, since it is larger than the sum of its proper divisors (50210074).

100021274 is an equidigital number, since it uses as much as digits as its factorization.

100021274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66480.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 100021274 is about 10001.0636434331. The cubic root of 100021274 is about 464.1917960811.

Adding to 100021274 its reverse (472120001), we get a palindrome (572141275).

The spelling of 100021274 in words is "one hundred million, twenty-one thousand, two hundred seventy-four".