1320122288 has 20 divisors (see below), whose sum is σ = 2558996928. Its totient is φ = 659736000.

The previous prime is 1320122203. The next prime is 1320122333. The reversal of 1320122288 is 8822210231.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1320122288.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15038 + ... + 53538.

Almost surely, 2^1320122288 is an apocalyptic number.

It is an amenable number.

1320122288 is a deficient number, since it is larger than the sum of its proper divisors (1238874640).

1320122288 is a wasteful number, since it uses less digits than its factorization.

1320122288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652 (or 40646 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1320122288 is about 36333.4871434053. The cubic root of 1320122288 is about 1096.9951844922.

The spelling of 1320122288 in words is "one billion, three hundred twenty million, one hundred twenty-two thousand, two hundred eighty-eight".