1334121321 has 24 divisors (see below), whose sum is σ = 1978273920. Its totient is φ = 798797376.

The previous prime is 1334121317. The next prime is 1334121323. The reversal of 1334121321 is 1231214331.

It is not a de Polignac number, because 1334121321 - 2² = 1334121317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1334121323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16801 + ... + 54318.

It is an arithmetic number, because the mean of its divisors is an integer number (82428080).

Almost surely, 2^1334121321 is an apocalyptic number.

It is an amenable number.

1334121321 is a deficient number, since it is larger than the sum of its proper divisors (644152599).

1334121321 is a wasteful number, since it uses less digits than its factorization.

1334121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71185 (or 71172 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 1334121321 is about 36525.6255387913. The cubic root of 1334121321 is about 1100.8591967611.

Adding to 1334121321 its reverse (1231214331), we get a palindrome (2565335652).

The spelling of 1334121321 in words is "one billion, three hundred thirty-four million, one hundred twenty-one thousand, three hundred twenty-one".