1320761432 has 16 divisors (see below), whose sum is σ = 2487059640. Its totient is φ = 657545536.

The previous prime is 1320761411. The next prime is 1320761437. The reversal of 1320761432 is 2341670231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1320761395 and 1320761404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320761437) 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, 352418 + ... + 356145.

Almost surely, 2^1320761432 is an apocalyptic number.

It is an amenable number.

1320761432 is a deficient number, since it is larger than the sum of its proper divisors (1166298208).

1320761432 is a wasteful number, since it uses less digits than its factorization.

1320761432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708802 (or 708798 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1320761432 is about 36342.2816014625. The cubic root of 1320761432 is about 1097.1721945500.

The spelling of 1320761432 in words is "one billion, three hundred twenty million, seven hundred sixty-one thousand, four hundred thirty-two".