104045131 has 4 divisors (see below), whose sum is σ = 104864512. Its totient is φ = 103225752.

The previous prime is 104045129. The next prime is 104045173. The reversal of 104045131 is 131540401.

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 104045131 - 2¹ = 104045129 is a prime.

It is a super-2 number, since 2×104045131² = 21650778569614322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104045099 and 104045108.

It is not an unprimeable number, because it can be changed into a prime (104045111) 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, 409500 + ... + 409753.

It is an arithmetic number, because the mean of its divisors is an integer number (26216128).

Almost surely, 2^104045131 is an apocalyptic number.

104045131 is a deficient number, since it is larger than the sum of its proper divisors (819381).

104045131 is an equidigital number, since it uses as much as digits as its factorization.

104045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819380.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 104045131 is about 10200.2515165068. The cubic root of 104045131 is about 470.3349521207.

Adding to 104045131 its reverse (131540401), we get a palindrome (235585532).

The spelling of 104045131 in words is "one hundred four million, forty-five thousand, one hundred thirty-one".