104187061 has 4 divisors (see below), whose sum is σ = 113658624. Its totient is φ = 94715500.

The previous prime is 104187019. The next prime is 104187071. The reversal of 104187061 is 160781401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 104187061 - 2²⁵ = 70632629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104187071) 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, 4735765 + ... + 4735786.

It is an arithmetic number, because the mean of its divisors is an integer number (28414656).

Almost surely, 2^104187061 is an apocalyptic number.

104187061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104187061 is a deficient number, since it is larger than the sum of its proper divisors (9471563).

104187061 is an equidigital number, since it uses as much as digits as its factorization.

104187061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471562.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 104187061 is about 10207.2063269045. The cubic root of 104187061 is about 470.5487193207.

The spelling of 104187061 in words is "one hundred four million, one hundred eighty-seven thousand, sixty-one".