104491251 has 24 divisors (see below), whose sum is σ = 154805040. Its totient is φ = 67896576.

The previous prime is 104491243. The next prime is 104491253. The reversal of 104491251 is 152194401.

It is not a de Polignac number, because 104491251 - 2³ = 104491243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104491253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57580 + ... + 59366.

It is an arithmetic number, because the mean of its divisors is an integer number (6450210).

Almost surely, 2^104491251 is an apocalyptic number.

104491251 is a deficient number, since it is larger than the sum of its proper divisors (50313789).

104491251 is a wasteful number, since it uses less digits than its factorization.

104491251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 104491251 is about 10222.0962135953. The cubic root of 104491251 is about 471.0062205894.

The spelling of 104491251 in words is "one hundred four million, four hundred ninety-one thousand, two hundred fifty-one".