104121261 has 16 divisors (see below), whose sum is σ = 155152320. Its totient is φ = 69009840.

The previous prime is 104121247. The next prime is 104121271. The reversal of 104121261 is 162121401.

It is not a de Polignac number, because 104121261 - 2⁵ = 104121229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121211) 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, 6475 + ... + 15816.

It is an arithmetic number, because the mean of its divisors is an integer number (9697020).

Almost surely, 2^104121261 is an apocalyptic number.

It is an amenable number.

104121261 is a deficient number, since it is larger than the sum of its proper divisors (51031059).

104121261 is a wasteful number, since it uses less digits than its factorization.

104121261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22473 (or 22467 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 104121261 is about 10203.9826048460. The cubic root of 104121261 is about 470.4496391155.

Adding to 104121261 its reverse (162121401), we get a palindrome (266242662).

The spelling of 104121261 in words is "one hundred four million, one hundred twenty-one thousand, two hundred sixty-one".