1140612223 has 4 divisors (see below), whose sum is σ = 1147610008. Its totient is φ = 1133614440.

The previous prime is 1140612217. The next prime is 1140612257. The reversal of 1140612223 is 3222160411.

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 1140612223 - 2²⁹ = 603741311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140612194 and 1140612203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140612323) 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, 3498648 + ... + 3498973.

It is an arithmetic number, because the mean of its divisors is an integer number (286902502).

Almost surely, 2^1140612223 is an apocalyptic number.

1140612223 is a deficient number, since it is larger than the sum of its proper divisors (6997785).

1140612223 is an equidigital number, since it uses as much as digits as its factorization.

1140612223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997784.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1140612223 is about 33772.9510555415. The cubic root of 1140612223 is about 1044.8308977535.

Adding to 1140612223 its reverse (3222160411), we get a palindrome (4362772634).

The spelling of 1140612223 in words is "one billion, one hundred forty million, six hundred twelve thousand, two hundred twenty-three".