100904471 has 2 divisors, whose sum is σ = 100904472. Its totient is φ = 100904470.

The previous prime is 100904467. The next prime is 100904491. The reversal of 100904471 is 174409001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100904471 - 2² = 100904467 is a prime.

It is a super-3 number, since 3×100904471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100904471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100904491) 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 as a sum of consecutive naturals, namely, 50452235 + 50452236.

It is an arithmetic number, because the mean of its divisors is an integer number (50452236).

Almost surely, 2^100904471 is an apocalyptic number.

100904471 is a deficient number, since it is larger than the sum of its proper divisors (1).

100904471 is an equidigital number, since it uses as much as digits as its factorization.

100904471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 100904471 is about 10045.1217513776. The cubic root of 100904471 is about 465.5540795608.

The spelling of 100904471 in words is "one hundred million, nine hundred four thousand, four hundred seventy-one".