1321472418 has 32 divisors (see below), whose sum is σ = 3023084160. Its totient is φ = 377241600.

The previous prime is 1321472393. The next prime is 1321472447. The reversal of 1321472418 is 8142741231.

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, 38818 + ... + 64418.

It is an arithmetic number, because the mean of its divisors is an integer number (94471380).

Almost surely, 2^1321472418 is an apocalyptic number.

1321472418 is an abundant number, since it is smaller than the sum of its proper divisors (1701611742).

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

1321472418 is a wasteful number, since it uses less digits than its factorization.

1321472418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26842.

The product of its digits is 10752, while the sum is 33.

The square root of 1321472418 is about 36352.0620873149. The cubic root of 1321472418 is about 1097.3690340694.

The spelling of 1321472418 in words is "one billion, three hundred twenty-one million, four hundred seventy-two thousand, four hundred eighteen".