1132572321 has 16 divisors (see below), whose sum is σ = 1732011520. Its totient is φ = 730691280.

The previous prime is 1132572307. The next prime is 1132572323. The reversal of 1132572321 is 1232752311.

1132572321 is a `hidden beast` number, since 11 + 325 + 7 + 2 + 321 = 666.

It is not a de Polignac number, because 1132572321 - 2⁵ = 1132572289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132572323) 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 15 ways as a sum of consecutive naturals, for example, 675730 + ... + 677403.

It is an arithmetic number, because the mean of its divisors is an integer number (108250720).

Almost surely, 2^1132572321 is an apocalyptic number.

It is an amenable number.

1132572321 is a deficient number, since it is larger than the sum of its proper divisors (599439199).

1132572321 is a wasteful number, since it uses less digits than its factorization.

1132572321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353173 (or 1353167 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 1132572321 is about 33653.7118457979. The cubic root of 1132572321 is about 1042.3701862065.

The spelling of 1132572321 in words is "one billion, one hundred thirty-two million, five hundred seventy-two thousand, three hundred twenty-one".