1321560112 has 10 divisors (see below), whose sum is σ = 2560522748. Its totient is φ = 660780048.

The previous prime is 1321560091. The next prime is 1321560137. The reversal of 1321560112 is 2110651231.

It is a happy number.

It is a super-2 number, since 2×1321560112² = 3493042259258905088, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41298738 + ... + 41298769.

Almost surely, 2^1321560112 is an apocalyptic number.

It is an amenable number.

1321560112 is a deficient number, since it is larger than the sum of its proper divisors (1238962636).

1321560112 is an equidigital number, since it uses as much as digits as its factorization.

1321560112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82597515 (or 82597509 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1321560112 is about 36353.2682437219. The cubic root of 1321560112 is about 1097.3933076373.

The spelling of 1321560112 in words is "one billion, three hundred twenty-one million, five hundred sixty thousand, one hundred twelve".