1132271999 has 4 divisors (see below), whose sum is σ = 1135426320. Its totient is φ = 1129117680.

The previous prime is 1132271989. The next prime is 1132272013. The reversal of 1132271999 is 9991722311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9991722311 = 149 ⋅67058539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132271999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132271939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1576622 + ... + 1577339.

It is an arithmetic number, because the mean of its divisors is an integer number (283856580).

Almost surely, 2^1132271999 is an apocalyptic number.

1132271999 is a deficient number, since it is larger than the sum of its proper divisors (3154321).

1132271999 is an equidigital number, since it uses as much as digits as its factorization.

1132271999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154320.

The product of its digits is 61236, while the sum is 44.

The square root of 1132271999 is about 33649.2496053032. The cubic root of 1132271999 is about 1042.2780436365.

The spelling of 1132271999 in words is "one billion, one hundred thirty-two million, two hundred seventy-one thousand, nine hundred ninety-nine".