1140552321 has 8 divisors (see below), whose sum is σ = 1610191584. Its totient is φ = 715640640.

The previous prime is 1140552317. The next prime is 1140552331. The reversal of 1140552321 is 1232550411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140552321 - 2² = 1140552317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140552291 and 1140552300.

It is not an unprimeable number, because it can be changed into a prime (1140552331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11181835 + ... + 11181936.

It is an arithmetic number, because the mean of its divisors is an integer number (201273948).

Almost surely, 2^1140552321 is an apocalyptic number.

It is an amenable number.

1140552321 is a deficient number, since it is larger than the sum of its proper divisors (469639263).

1140552321 is a wasteful number, since it uses less digits than its factorization.

1140552321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22363791.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1140552321 is about 33772.0642099354. The cubic root of 1140552321 is about 1044.8126068290.

The spelling of 1140552321 in words is "one billion, one hundred forty million, five hundred fifty-two thousand, three hundred twenty-one".