1321302124 has 12 divisors (see below), whose sum is σ = 2326465624. Its totient is φ = 656597664.

The previous prime is 1321302083. The next prime is 1321302127. The reversal of 1321302124 is 4212031231.

It is a happy number.

It is a super-2 number, since 2×1321302124² = 3491678605773822752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1321302127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012617 + ... + 1013920.

Almost surely, 2^1321302124 is an apocalyptic number.

It is an amenable number.

1321302124 is a deficient number, since it is larger than the sum of its proper divisors (1005163500).

1321302124 is a wasteful number, since it uses less digits than its factorization.

1321302124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026704 (or 2026702 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1321302124 is about 36349.7197238163. The cubic root of 1321302124 is about 1097.3218938774.

Adding to 1321302124 its reverse (4212031231), we get a palindrome (5533333355).

The spelling of 1321302124 in words is "one billion, three hundred twenty-one million, three hundred two thousand, one hundred twenty-four".