1321034232 has 64 divisors (see below), whose sum is σ = 3996414720. Its totient is φ = 355235328.

The previous prime is 1321034191. The next prime is 1321034251. The reversal of 1321034232 is 2324301231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1321034199 and 1321034208.

It is a congruent number.

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, 228418 + ... + 234129.

It is an arithmetic number, because the mean of its divisors is an integer number (62443980).

Almost surely, 2^1321034232 is an apocalyptic number.

1321034232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1321034232 is an abundant number, since it is smaller than the sum of its proper divisors (2675380488).

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

1321034232 is a wasteful number, since it uses less digits than its factorization.

1321034232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462580 (or 462576 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1321034232 is about 36346.0346117702. The cubic root of 1321034232 is about 1097.2477287488.

Adding to 1321034232 its reverse (2324301231), we get a palindrome (3645335463).

The spelling of 1321034232 in words is "one billion, three hundred twenty-one million, thirty-four thousand, two hundred thirty-two".