1321954116 has 48 divisors (see below), whose sum is σ = 3531099264. Its totient is φ = 377070336.

The previous prime is 1321954097. The next prime is 1321954129. The reversal of 1321954116 is 6114591231.

1321954116 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38656 + ... + 64328.

It is an arithmetic number, because the mean of its divisors is an integer number (73564568).

Almost surely, 2^1321954116 is an apocalyptic number.

It is an amenable number.

1321954116 is an abundant number, since it is smaller than the sum of its proper divisors (2209145148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321954116 is a wasteful number, since it uses less digits than its factorization.

1321954116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26300 (or 26298 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 1321954116 is about 36358.6869399873. The cubic root of 1321954116 is about 1097.5023541062.

The spelling of 1321954116 in words is "one billion, three hundred twenty-one million, nine hundred fifty-four thousand, one hundred sixteen".