1331122115 has 8 divisors (see below), whose sum is σ = 1603114800. Its totient is φ = 1061052192.

The previous prime is 1331122103. The next prime is 1331122153. The reversal of 1331122115 is 5112211331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331122115 - 2⁸ = 1331121859 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479165 + ... + 481934.

It is an arithmetic number, because the mean of its divisors is an integer number (200389350).

Almost surely, 2^1331122115 is an apocalyptic number.

1331122115 is a deficient number, since it is larger than the sum of its proper divisors (271992685).

1331122115 is an equidigital number, since it uses as much as digits as its factorization.

1331122115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961381.

The product of its digits is 180, while the sum is 20.

The square root of 1331122115 is about 36484.5462490628. The cubic root of 1331122115 is about 1100.0336394671.

Adding to 1331122115 its reverse (5112211331), we get a palindrome (6443333446).

The spelling of 1331122115 in words is "one billion, three hundred thirty-one million, one hundred twenty-two thousand, one hundred fifteen".