1320430492 has 12 divisors (see below), whose sum is σ = 2385294016. Its totient is φ = 638917920.

The previous prime is 1320430481. The next prime is 1320430493. The reversal of 1320430492 is 2940340231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320430492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320430493) 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, 5324193 + ... + 5324440.

Almost surely, 2^1320430492 is an apocalyptic number.

It is an amenable number.

1320430492 is a deficient number, since it is larger than the sum of its proper divisors (1064863524).

1320430492 is a wasteful number, since it uses less digits than its factorization.

1320430492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10648668 (or 10648666 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1320430492 is about 36337.7282173776. The cubic root of 1320430492 is about 1097.0805483000.

The spelling of 1320430492 in words is "one billion, three hundred twenty million, four hundred thirty thousand, four hundred ninety-two".