1140053221 has 4 divisors (see below), whose sum is σ = 1150708032. Its totient is φ = 1129398412.

The previous prime is 1140053207. The next prime is 1140053231. The reversal of 1140053221 is 1223500411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140053221 - 2¹³ = 1140045029 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 (1140053231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5327245 + ... + 5327458.

It is an arithmetic number, because the mean of its divisors is an integer number (287677008).

Almost surely, 2^1140053221 is an apocalyptic number.

It is an amenable number.

1140053221 is a deficient number, since it is larger than the sum of its proper divisors (10654811).

1140053221 is a wasteful number, since it uses less digits than its factorization.

1140053221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10654810.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1140053221 is about 33764.6741580605. The cubic root of 1140053221 is about 1044.6601830005.

Adding to 1140053221 its reverse (1223500411), we get a palindrome (2363553632).

The spelling of 1140053221 in words is "one billion, one hundred forty million, fifty-three thousand, two hundred twenty-one".