104922921 has 16 divisors (see below), whose sum is σ = 147755840. Its totient is φ = 66044160.

The previous prime is 104922913. The next prime is 104922931. The reversal of 104922921 is 129229401.

It is a happy number.

It is not a de Polignac number, because 104922921 - 2³ = 104922913 is a prime.

It is a super-2 number, since 2×104922921² = 22017638702344482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104922911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14901 + ... + 20781.

It is an arithmetic number, because the mean of its divisors is an integer number (9234740).

Almost surely, 2^104922921 is an apocalyptic number.

It is an amenable number.

104922921 is a deficient number, since it is larger than the sum of its proper divisors (42832919).

104922921 is a wasteful number, since it uses less digits than its factorization.

104922921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 104922921 is about 10243.1890053830. The cubic root of 104922921 is about 471.6539300474.

The spelling of 104922921 in words is "one hundred four million, nine hundred twenty-two thousand, nine hundred twenty-one".