1320546087 has 24 divisors (see below), whose sum is σ = 2181538944. Its totient is φ = 754047504.

The previous prime is 1320546079. The next prime is 1320546109. The reversal of 1320546087 is 7806450231.

1320546087 is a `hidden beast` number, since 1 + 32 + 0 + 546 + 0 + 87 = 666.

It is not a de Polignac number, because 1320546087 - 2³ = 1320546079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320541087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89068 + ... + 102830.

It is an arithmetic number, because the mean of its divisors is an integer number (90897456).

Almost surely, 2^1320546087 is an apocalyptic number.

1320546087 is a deficient number, since it is larger than the sum of its proper divisors (860992857).

1320546087 is a wasteful number, since it uses less digits than its factorization.

1320546087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15299 (or 15296 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1320546087 is about 36339.3187470541. The cubic root of 1320546087 is about 1097.1125614266.

The spelling of 1320546087 in words is "one billion, three hundred twenty million, five hundred forty-six thousand, eighty-seven".