1320363272 has 36 divisors (see below), whose sum is σ = 2569794045. Its totient is φ = 635977888.

The previous prime is 1320363271. The next prime is 1320363281. The reversal of 1320363272 is 2723630231.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1319578276 + 784996 = 36326^2 + 886^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25694.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320363271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2980283 + ... + 2980725.

Almost surely, 2^1320363272 is an apocalyptic number.

It is an amenable number.

1320363272 is a deficient number, since it is larger than the sum of its proper divisors (1249430773).

1320363272 is an frugal number, since it uses more digits than its factorization.

1320363272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 1320363272 is about 36336.8032716143. The cubic root of 1320363272 is about 1097.0619313902.

The spelling of 1320363272 in words is "one billion, three hundred twenty million, three hundred sixty-three thousand, two hundred seventy-two".