1321234284 has 24 divisors (see below), whose sum is σ = 3114665008. Its totient is φ = 435870720.

The previous prime is 1321234283. The next prime is 1321234289. The reversal of 1321234284 is 4824321231.

It is not an unprimeable number, because it can be changed into a prime (1321234283) 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, 566377 + ... + 568704.

Almost surely, 2^1321234284 is an apocalyptic number.

It is an amenable number.

1321234284 is an abundant number, since it is smaller than the sum of its proper divisors (1793430724).

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

1321234284 is a wasteful number, since it uses less digits than its factorization.

1321234284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135185 (or 1135183 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 1321234284 is about 36348.7865547118. The cubic root of 1321234284 is about 1097.3031135168.

The spelling of 1321234284 in words is "one billion, three hundred twenty-one million, two hundred thirty-four thousand, two hundred eighty-four".