1132021999 has 4 divisors (see below), whose sum is σ = 1158348136. Its totient is φ = 1105695864.

The previous prime is 1132021997. The next prime is 1132022053. The reversal of 1132021999 is 9991202311.

It is a happy number.

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 1132021999 - 2¹ = 1132021997 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 (1132021991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13163004 + ... + 13163089.

It is an arithmetic number, because the mean of its divisors is an integer number (289587034).

Almost surely, 2^1132021999 is an apocalyptic number.

1132021999 is a deficient number, since it is larger than the sum of its proper divisors (26326137).

1132021999 is an equidigital number, since it uses as much as digits as its factorization.

1132021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26326136.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 1132021999 is about 33645.5346071362. The cubic root of 1132021999 is about 1042.2013280620.

The spelling of 1132021999 in words is "one billion, one hundred thirty-two million, twenty-one thousand, nine hundred ninety-nine".