1231332122 has 8 divisors (see below), whose sum is σ = 1847891136. Its totient is φ = 615368412.

The previous prime is 1231332119. The next prime is 1231332169. The reversal of 1231332122 is 2212331321.

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

It is a junction number, because it is equal to n+sod(n) for n = 1231332094 and 1231332103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143618 + ... + 151949.

It is an arithmetic number, because the mean of its divisors is an integer number (230986392).

Almost surely, 2^1231332122 is an apocalyptic number.

1231332122 is a deficient number, since it is larger than the sum of its proper divisors (616559014).

1231332122 is a wasteful number, since it uses less digits than its factorization.

1231332122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297652.

The product of its digits is 432, while the sum is 20.

The square root of 1231332122 is about 35090.3422895816. The cubic root of 1231332122 is about 1071.8279297267.

Adding to 1231332122 its reverse (2212331321), we get a palindrome (3443663443).

The spelling of 1231332122 in words is "one billion, two hundred thirty-one million, three hundred thirty-two thousand, one hundred twenty-two".