100204994 has 4 divisors (see below), whose sum is σ = 150307494. Its totient is φ = 50102496.

The previous prime is 100204981. The next prime is 100205023. The reversal of 100204994 is 499402001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70644025 + 29560969 = 8405^2 + 5437^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25051247 + ... + 25051250.

Almost surely, 2^100204994 is an apocalyptic number.

100204994 is a deficient number, since it is larger than the sum of its proper divisors (50102500).

100204994 is an equidigital number, since it uses as much as digits as its factorization.

100204994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50102499.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 100204994 is about 10010.2444525596. The cubic root of 100204994 is about 464.4758328378.

Adding to 100204994 its reverse (499402001), we get a palindrome (599606995).

The spelling of 100204994 in words is "one hundred million, two hundred four thousand, nine hundred ninety-four".