100490005 has 16 divisors (see below), whose sum is σ = 150344064. Its totient is φ = 62642880.

The previous prime is 100489999. The next prime is 100490021. The reversal of 100490005 is 500094001.

It is not a de Polignac number, because 100490005 - 2⁷ = 100489877 is a prime.

It is a super-2 number, since 2×100490005² = 20196482209800050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 130122 + ... + 130891.

It is an arithmetic number, because the mean of its divisors is an integer number (9396504).

Almost surely, 2^100490005 is an apocalyptic number.

It is an amenable number.

100490005 is a deficient number, since it is larger than the sum of its proper divisors (49854059).

100490005 is a wasteful number, since it uses less digits than its factorization.

100490005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261036.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 100490005 is about 10024.4703101959. The cubic root of 100490005 is about 464.9157823354.

The spelling of 100490005 in words is "one hundred million, four hundred ninety thousand, five".