1320963763 has 8 divisors (see below), whose sum is σ = 1510648832. Its totient is φ = 1131522696.

The previous prime is 1320963757. The next prime is 1320963779. The reversal of 1320963763 is 3673690231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320963763 - 2²⁹ = 784092851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320963713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49245 + ... + 71182.

It is an arithmetic number, because the mean of its divisors is an integer number (188831104).

Almost surely, 2^1320963763 is an apocalyptic number.

1320963763 is a deficient number, since it is larger than the sum of its proper divisors (189685069).

1320963763 is a wasteful number, since it uses less digits than its factorization.

1320963763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122001.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 1320963763 is about 36345.0651808468. The cubic root of 1320963763 is about 1097.2282179435.

The spelling of 1320963763 in words is "one billion, three hundred twenty million, nine hundred sixty-three thousand, seven hundred sixty-three".