1151412131 has 8 divisors (see below), whose sum is σ = 1203621120. Its totient is φ = 1099382152.

The previous prime is 1151412113. The next prime is 1151412151. The reversal of 1151412131 is 1312141511.

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

It is a de Polignac number, because none of the positive numbers 2^k-1151412131 is a prime.

It is a super-2 number, since 2×1151412131² = 2651499790827922322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151412151) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31511 + ... + 57408.

It is an arithmetic number, because the mean of its divisors is an integer number (150452640).

Almost surely, 2^1151412131 is an apocalyptic number.

1151412131 is a deficient number, since it is larger than the sum of its proper divisors (52208989).

1151412131 is an equidigital number, since it uses as much as digits as its factorization.

1151412131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89505.

The product of its digits is 120, while the sum is 20.

The square root of 1151412131 is about 33932.4642635928. The cubic root of 1151412131 is about 1048.1182110674.

Adding to 1151412131 its reverse (1312141511), we get a palindrome (2463553642).

The spelling of 1151412131 in words is "one billion, one hundred fifty-one million, four hundred twelve thousand, one hundred thirty-one".