1152012131 has 12 divisors (see below), whose sum is σ = 1186573752. Its totient is φ = 1118432448.

The previous prime is 1152012091. The next prime is 1152012139. The reversal of 1152012131 is 1312102511.

It is not a de Polignac number, because 1152012131 - 2¹⁸ = 1151749987 is a prime.

It is a super-2 number, since 2×1152012131² = 2654263899942322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152012139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208351 + ... + 1209303.

It is an arithmetic number, because the mean of its divisors is an integer number (98881146).

Almost surely, 2^1152012131 is an apocalyptic number.

1152012131 is a deficient number, since it is larger than the sum of its proper divisors (34561621).

1152012131 is an frugal number, since it uses more digits than its factorization.

1152012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1152012131 is about 33941.3042029914. The cubic root of 1152012131 is about 1048.3002373250.

Adding to 1152012131 its reverse (1312102511), we get a palindrome (2464114642).

The spelling of 1152012131 in words is "one billion, one hundred fifty-two million, twelve thousand, one hundred thirty-one".