104290505 has 16 divisors (see below), whose sum is σ = 137662848. Its totient is φ = 75842800.

The previous prime is 104290499. The next prime is 104290519. The reversal of 104290505 is 505092401.

It is not a de Polignac number, because 104290505 - 2¹⁶ = 104224969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181 + ... + 14490.

It is an arithmetic number, because the mean of its divisors is an integer number (8603928).

Almost surely, 2^104290505 is an apocalyptic number.

It is an amenable number.

104290505 is a deficient number, since it is larger than the sum of its proper divisors (33372343).

104290505 is an equidigital number, since it uses as much as digits as its factorization.

104290505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15709 (or 15687 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 104290505 is about 10212.2722740828. The cubic root of 104290505 is about 470.7043987326.

The spelling of 104290505 in words is "one hundred four million, two hundred ninety thousand, five hundred five".