1331224115 has 8 divisors (see below), whose sum is σ = 1720351248. Its totient is φ = 983057760.

The previous prime is 1331224019. The next prime is 1331224159. The reversal of 1331224115 is 5114221331.

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

It is not a de Polignac number, because 1331224115 - 2¹⁶ = 1331158579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10240121 + ... + 10240250.

It is an arithmetic number, because the mean of its divisors is an integer number (215043906).

Almost surely, 2^1331224115 is an apocalyptic number.

1331224115 is a deficient number, since it is larger than the sum of its proper divisors (389127133).

1331224115 is a wasteful number, since it uses less digits than its factorization.

1331224115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20480389.

The product of its digits is 720, while the sum is 23.

The square root of 1331224115 is about 36485.9440743966. The cubic root of 1331224115 is about 1100.0617362045.

Adding to 1331224115 its reverse (5114221331), we get a palindrome (6445445446).

The spelling of 1331224115 in words is "one billion, three hundred thirty-one million, two hundred twenty-four thousand, one hundred fifteen".