1331132122 has 4 divisors (see below), whose sum is σ = 1996698186. Its totient is φ = 665566060.

The previous prime is 1331132119. The next prime is 1331132137. The reversal of 1331132122 is 2212311331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2212311331 = 12119 ⋅182549.

It can be written as a sum of positive squares in only one way, i.e., 1157972841 + 173159281 = 34029^2 + 13159^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1331132122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332783029 + ... + 332783032.

Almost surely, 2^1331132122 is an apocalyptic number.

1331132122 is a deficient number, since it is larger than the sum of its proper divisors (665566064).

1331132122 is an equidigital number, since it uses as much as digits as its factorization.

1331132122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665566063.

The product of its digits is 216, while the sum is 19.

The square root of 1331132122 is about 36484.6833890607. The cubic root of 1331132122 is about 1100.0363960409.

Adding to 1331132122 its reverse (2212311331), we get a palindrome (3543443453).

The spelling of 1331132122 in words is "one billion, three hundred thirty-one million, one hundred thirty-two thousand, one hundred twenty-two".