104187851 has 2 divisors, whose sum is σ = 104187852. Its totient is φ = 104187850.

The previous prime is 104187829. The next prime is 104187857. The reversal of 104187851 is 158781401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104187851 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (104187857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52093925 + 52093926.

It is an arithmetic number, because the mean of its divisors is an integer number (52093926).

Almost surely, 2^104187851 is an apocalyptic number.

104187851 is a deficient number, since it is larger than the sum of its proper divisors (1).

104187851 is an equidigital number, since it uses as much as digits as its factorization.

104187851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 104187851 is about 10207.2450249810. The cubic root of 104187851 is about 470.5499086320.

The spelling of 104187851 in words is "one hundred four million, one hundred eighty-seven thousand, eight hundred fifty-one".