1140123203 has 8 divisors (see below), whose sum is σ = 1168745760. Its totient is φ = 1111539520.

The previous prime is 1140123191. The next prime is 1140123247. The reversal of 1140123203 is 3023210411.

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

It is not a de Polignac number, because 1140123203 - 2⁸ = 1140122947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140123263) 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, 55001 + ... + 72837.

It is an arithmetic number, because the mean of its divisors is an integer number (146093220).

Almost surely, 2^1140123203 is an apocalyptic number.

1140123203 is a deficient number, since it is larger than the sum of its proper divisors (28622557).

1140123203 is a wasteful number, since it uses less digits than its factorization.

1140123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19437.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1140123203 is about 33765.7104619465. The cubic root of 1140123203 is about 1044.6815580006.

Adding to 1140123203 its reverse (3023210411), we get a palindrome (4163333614).

The spelling of 1140123203 in words is "one billion, one hundred forty million, one hundred twenty-three thousand, two hundred three".