100944999 has 12 divisors (see below), whose sum is σ = 152149296. Its totient is φ = 64370592.

The previous prime is 100944989. The next prime is 100945003. The reversal of 100944999 is 999449001.

It is not a de Polignac number, because 100944999 - 2⁷ = 100944871 is a prime.

It is a super-2 number, since 2×100944999² = 20379785646220002, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100944919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243622 + ... + 244035.

It is an arithmetic number, because the mean of its divisors is an integer number (12679108).

Almost surely, 2^100944999 is an apocalyptic number.

100944999 is a deficient number, since it is larger than the sum of its proper divisors (51204297).

100944999 is a wasteful number, since it uses less digits than its factorization.

100944999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487686 (or 487683 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 100944999 is about 10047.1388464577. The cubic root of 100944999 is about 465.6164007180.

The spelling of 100944999 in words is "one hundred million, nine hundred forty-four thousand, nine hundred ninety-nine".