104191251 has 4 divisors (see below), whose sum is σ = 138921672. Its totient is φ = 69460832.

The previous prime is 104191237. The next prime is 104191253. The reversal of 104191251 is 152191401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104191251 - 2⁷ = 104191123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104191253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17365206 + ... + 17365211.

It is an arithmetic number, because the mean of its divisors is an integer number (34730418).

Almost surely, 2^104191251 is an apocalyptic number.

104191251 is a deficient number, since it is larger than the sum of its proper divisors (34730421).

104191251 is an equidigital number, since it uses as much as digits as its factorization.

104191251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34730420.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 104191251 is about 10207.4115719902. The cubic root of 104191251 is about 470.5550271183. Note that the first 3 decimals are identical.

The spelling of 104191251 in words is "one hundred four million, one hundred ninety-one thousand, two hundred fifty-one".