1112956321 has 9 divisors (see below), whose sum is σ = 1130885721. Its totient is φ = 1095308352.

The previous prime is 1112956301. The next prime is 1112956333. The reversal of 1112956321 is 1236592111.

The square root of 1112956321 is 33361.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 234426721 + 878529600 = 15311^2 + 29640^2 .

It is not a de Polignac number, because 1112956321 - 2²⁵ = 1079401889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112956301) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2435125 + ... + 2435581.

It is an arithmetic number, because the mean of its divisors is an integer number (125653969).

Almost surely, 2^1112956321 is an apocalyptic number.

1112956321 is the 33361-st square number.

1112956321 is the 16681-st centered octagonal number.

It is an amenable number.

1112956321 is a deficient number, since it is larger than the sum of its proper divisors (17929400).

1112956321 is an frugal number, since it uses more digits than its factorization.

1112956321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 530 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The cubic root of 1112956321 is about 1036.3172011734.

The spelling of 1112956321 in words is "one billion, one hundred twelve million, nine hundred fifty-six thousand, three hundred twenty-one".