1321023532 has 12 divisors (see below), whose sum is σ = 2315945520. Its totient is φ = 659324816.

The previous prime is 1321023527. The next prime is 1321023547. The reversal of 1321023532 is 2353201231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294232 + ... + 298687.

It is an arithmetic number, because the mean of its divisors is an integer number (192995460).

Almost surely, 2^1321023532 is an apocalyptic number.

It is an amenable number.

1321023532 is a deficient number, since it is larger than the sum of its proper divisors (994921988).

1321023532 is a wasteful number, since it uses less digits than its factorization.

1321023532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593480 (or 593478 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1321023532 is about 36345.8874152221. The cubic root of 1321023532 is about 1097.2447662764.

Adding to 1321023532 its reverse (2353201231), we get a palindrome (3674224763).

The spelling of 1321023532 in words is "one billion, three hundred twenty-one million, twenty-three thousand, five hundred thirty-two".