100420099 has 8 divisors (see below), whose sum is σ = 108772272. Its totient is φ = 92157600.

The previous prime is 100420097. The next prime is 100420141. The reversal of 100420099 is 990024001.

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

It is a cyclic number.

It is not a de Polignac number, because 100420099 - 2¹ = 100420097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100420097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20077 + ... + 24574.

It is an arithmetic number, because the mean of its divisors is an integer number (13596534).

Almost surely, 2^100420099 is an apocalyptic number.

100420099 is a deficient number, since it is larger than the sum of its proper divisors (8352173).

100420099 is a wasteful number, since it uses less digits than its factorization.

100420099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44837.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 100420099 is about 10020.9829358202. The cubic root of 100420099 is about 464.8079509084.

The spelling of 100420099 in words is "one hundred million, four hundred twenty thousand, ninety-nine".