1132012291 has 4 divisors (see below), whose sum is σ = 1151199000. Its totient is φ = 1112825584.

The previous prime is 1132012279. The next prime is 1132012327. The reversal of 1132012291 is 1922102311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1132012291 - 2²⁵ = 1098457859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132012591) 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 3 ways as a sum of consecutive naturals, for example, 9593266 + ... + 9593383.

It is an arithmetic number, because the mean of its divisors is an integer number (287799750).

Almost surely, 2^1132012291 is an apocalyptic number.

1132012291 is a deficient number, since it is larger than the sum of its proper divisors (19186709).

1132012291 is an equidigital number, since it uses as much as digits as its factorization.

1132012291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19186708.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1132012291 is about 33645.3903380537. The cubic root of 1132012291 is about 1042.1983488150.

The spelling of 1132012291 in words is "one billion, one hundred thirty-two million, twelve thousand, two hundred ninety-one".