1321232122 has 8 divisors (see below), whose sum is σ = 2264969376. Its totient is φ = 566242332.

The previous prime is 1321232119. The next prime is 1321232179. The reversal of 1321232122 is 2212321231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1321232122.

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, 47186848 + ... + 47186875.

It is an arithmetic number, because the mean of its divisors is an integer number (283121172).

Almost surely, 2^1321232122 is an apocalyptic number.

1321232122 is a deficient number, since it is larger than the sum of its proper divisors (943737254).

1321232122 is an equidigital number, since it uses as much as digits as its factorization.

1321232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94373732.

The product of its digits is 288, while the sum is 19.

The square root of 1321232122 is about 36348.7568150549. The cubic root of 1321232122 is about 1097.3025149929.

Adding to 1321232122 its reverse (2212321231), we get a palindrome (3533553353).

It can be divided in two parts, 1 and 321232122, that added together give a palindrome (321232123).

The spelling of 1321232122 in words is "one billion, three hundred twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".