104672121 has 16 divisors (see below), whose sum is σ = 147282240. Its totient is φ = 65940480.

The previous prime is 104672101. The next prime is 104672129. The reversal of 104672121 is 121276401.

It is not a de Polignac number, because 104672121 - 2¹¹ = 104670073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104672091 and 104672100.

It is not an unprimeable number, because it can be changed into a prime (104672129) 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, 22561 + ... + 26801.

It is an arithmetic number, because the mean of its divisors is an integer number (9205140).

Almost surely, 2^104672121 is an apocalyptic number.

It is an amenable number.

104672121 is a deficient number, since it is larger than the sum of its proper divisors (42610119).

104672121 is a wasteful number, since it uses less digits than its factorization.

104672121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 104672121 is about 10230.9393996837. The cubic root of 104672121 is about 471.2778279809.

The spelling of 104672121 in words is "one hundred four million, six hundred seventy-two thousand, one hundred twenty-one".