1140221201 has 8 divisors (see below), whose sum is σ = 1303471680. Its totient is φ = 977061168.

The previous prime is 1140221183. The next prime is 1140221231. The reversal of 1140221201 is 1021220411.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140221201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1140221231) 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, 6995 + ... + 48263.

It is an arithmetic number, because the mean of its divisors is an integer number (162933960).

Almost surely, 2^1140221201 is an apocalyptic number.

It is an amenable number.

1140221201 is a deficient number, since it is larger than the sum of its proper divisors (163250479).

1140221201 is an equidigital number, since it uses as much as digits as its factorization.

1140221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45223.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1140221201 is about 33767.1615774853. The cubic root of 1140221201 is about 1044.7114886168.

Adding to 1140221201 its reverse (1021220411), we get a palindrome (2161441612).

The spelling of 1140221201 in words is "one billion, one hundred forty million, two hundred twenty-one thousand, two hundred one".