1140002231 has 4 divisors (see below), whose sum is σ = 1140992112. Its totient is φ = 1139012352.

The previous prime is 1140002207. The next prime is 1140002257. The reversal of 1140002231 is 1322000411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140002231 - 2¹⁰ = 1140001207 is a prime.

It is a super-2 number, since 2×1140002231² = 2599210173369954722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140008231) 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, 493211 + ... + 495516.

It is an arithmetic number, because the mean of its divisors is an integer number (285248028).

Almost surely, 2^1140002231 is an apocalyptic number.

1140002231 is a deficient number, since it is larger than the sum of its proper divisors (989881).

1140002231 is an equidigital number, since it uses as much as digits as its factorization.

1140002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989880.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1140002231 is about 33763.9190705108. The cubic root of 1140002231 is about 1044.6446082840.

Adding to 1140002231 its reverse (1322000411), we get a palindrome (2462002642).

The spelling of 1140002231 in words is "one billion, one hundred forty million, two thousand, two hundred thirty-one".