104427187 has 4 divisors (see below), whose sum is σ = 104799096. Its totient is φ = 104055280.

The previous prime is 104427179. The next prime is 104427203. The reversal of 104427187 is 781724401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781724401 = 53 ⋅14749517.

It is a cyclic number.

It is not a de Polignac number, because 104427187 - 2³ = 104427179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104425187) 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, 185533 + ... + 186094.

It is an arithmetic number, because the mean of its divisors is an integer number (26199774).

Almost surely, 2^104427187 is an apocalyptic number.

104427187 is a deficient number, since it is larger than the sum of its proper divisors (371909).

104427187 is an equidigital number, since it uses as much as digits as its factorization.

104427187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371908.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 104427187 is about 10218.9621292967. The cubic root of 104427187 is about 470.9099423172.

The spelling of 104427187 in words is "one hundred four million, four hundred twenty-seven thousand, one hundred eighty-seven".