1361118272 has 28 divisors (see below), whose sum is σ = 2705067996. Its totient is φ = 679526400.

The previous prime is 1361118263. The next prime is 1361118299. The reversal of 1361118272 is 2728111631.

It can be written as a sum of positive squares in 2 ways, for example, as 899040256 + 462078016 = 29984^2 + 21496^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27272 + ... + 58872.

Almost surely, 2^1361118272 is an apocalyptic number.

It is an amenable number.

1361118272 is a deficient number, since it is larger than the sum of its proper divisors (1343949724).

1361118272 is an equidigital number, since it uses as much as digits as its factorization.

1361118272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32286 (or 32276 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 1361118272 is about 36893.3364172990. The cubic root of 1361118272 is about 1108.2352370162.

The spelling of 1361118272 in words is "one billion, three hundred sixty-one million, one hundred eighteen thousand, two hundred seventy-two".