1320583455 has 12 divisors (see below), whose sum is σ = 2289011400. Its totient is φ = 704311152.

The previous prime is 1320583447. The next prime is 1320583463. The reversal of 1320583455 is 5543850231.

1320583455 is a `hidden beast` number, since 1 + 3 + 20 + 583 + 4 + 55 = 666.

1320583455 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1320583447) and next prime (1320583463).

It is not a de Polignac number, because 1320583455 - 2³ = 1320583447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14673105 + ... + 14673194.

It is an arithmetic number, because the mean of its divisors is an integer number (190750950).

Almost surely, 2^1320583455 is an apocalyptic number.

1320583455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1320583455 is a deficient number, since it is larger than the sum of its proper divisors (968427945).

1320583455 is a wasteful number, since it uses less digits than its factorization.

1320583455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29346310 (or 29346307 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 1320583455 is about 36339.8328972493. The cubic root of 1320583455 is about 1097.1229098009.

The spelling of 1320583455 in words is "one billion, three hundred twenty million, five hundred eighty-three thousand, four hundred fifty-five".