1132011989 has 2 divisors, whose sum is σ = 1132011990. Its totient is φ = 1132011988.

The previous prime is 1132011983. The next prime is 1132012043. The reversal of 1132011989 is 9891102311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060609489 + 71402500 = 32567^2 + 8450^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132011989 - 2⁴ = 1132011973 is a prime.

It is a super-2 number, since 2×1132011989² = 2562902286479472242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1132011983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566005994 + 566005995.

It is an arithmetic number, because the mean of its divisors is an integer number (566005995).

Almost surely, 2^1132011989 is an apocalyptic number.

It is an amenable number.

1132011989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132011989 is an equidigital number, since it uses as much as digits as its factorization.

1132011989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 1132011989 is about 33645.3858500687. The cubic root of 1132011989 is about 1042.1982561352.

It can be divided in two parts, 113 and 2011989, that added together give a palindrome (2012102).

The spelling of 1132011989 in words is "one billion, one hundred thirty-two million, eleven thousand, nine hundred eighty-nine".