1140532221 has 8 divisors (see below), whose sum is σ = 1553065344. Its totient is φ = 744176960.

The previous prime is 1140532199. The next prime is 1140532273. The reversal of 1140532221 is 1222350411.

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

It is a cyclic number.

It is not a de Polignac number, because 1140532221 - 2¹⁸ = 1140270077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140532121) 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, 4044300 + ... + 4044581.

It is an arithmetic number, because the mean of its divisors is an integer number (194133168).

Almost surely, 2^1140532221 is an apocalyptic number.

It is an amenable number.

1140532221 is a deficient number, since it is larger than the sum of its proper divisors (412533123).

1140532221 is an equidigital number, since it uses as much as digits as its factorization.

1140532221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088931.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1140532221 is about 33771.7666253929. The cubic root of 1140532221 is about 1044.8064692012.

Adding to 1140532221 its reverse (1222350411), we get a palindrome (2362882632).

The spelling of 1140532221 in words is "one billion, one hundred forty million, five hundred thirty-two thousand, two hundred twenty-one".