130804787 has 4 divisors (see below), whose sum is σ = 131535720. Its totient is φ = 130073856.

The previous prime is 130804771. The next prime is 130804789. The reversal of 130804787 is 787408031.

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 130804787 - 2⁴ = 130804771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130804787.

It is not an unprimeable number, because it can be changed into a prime (130804789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365198 + ... + 365555.

It is an arithmetic number, because the mean of its divisors is an integer number (32883930).

Almost surely, 2^130804787 is an apocalyptic number.

130804787 is a deficient number, since it is larger than the sum of its proper divisors (730933).

130804787 is an equidigital number, since it uses as much as digits as its factorization.

130804787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730932.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 130804787 is about 11436.9920433652. The cubic root of 130804787 is about 507.6229079391.

The spelling of 130804787 in words is "one hundred thirty million, eight hundred four thousand, seven hundred eighty-seven".