104638261 has 16 divisors (see below), whose sum is σ = 129040128. Its totient is φ = 82627200.

The previous prime is 104638253. The next prime is 104638267. The reversal of 104638261 is 162836401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 104638261 - 2³ = 104638253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104638267) 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, 68496 + ... + 70006.

It is an arithmetic number, because the mean of its divisors is an integer number (8065008).

Almost surely, 2^104638261 is an apocalyptic number.

It is an amenable number.

104638261 is a deficient number, since it is larger than the sum of its proper divisors (24401867).

104638261 is a wasteful number, since it uses less digits than its factorization.

104638261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 104638261 is about 10229.2844813310. The cubic root of 104638261 is about 471.2270051891.

The spelling of 104638261 in words is "one hundred four million, six hundred thirty-eight thousand, two hundred sixty-one".