1321411432 has 16 divisors (see below), whose sum is σ = 2702887200. Its totient is φ = 600641520.

The previous prime is 1321411409. The next prime is 1321411489. The reversal of 1321411432 is 2341141231.

It is a super-2 number, since 2×1321411432² = 3492256345240581248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 7507932 + ... + 7508107.

It is an arithmetic number, because the mean of its divisors is an integer number (168930450).

Almost surely, 2^1321411432 is an apocalyptic number.

It is an amenable number.

1321411432 is an abundant number, since it is smaller than the sum of its proper divisors (1381475768).

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

1321411432 is a wasteful number, since it uses less digits than its factorization.

1321411432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15016056 (or 15016052 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1321411432 is about 36351.2232531451. The cubic root of 1321411432 is about 1097.3521526028.

Adding to 1321411432 its reverse (2341141231), we get a palindrome (3662552663).

The spelling of 1321411432 in words is "one billion, three hundred twenty-one million, four hundred eleven thousand, four hundred thirty-two".