1140917203 has 4 divisors (see below), whose sum is σ = 1140997608. Its totient is φ = 1140836800.

The previous prime is 1140917189. The next prime is 1140917213. The reversal of 1140917203 is 3027190411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1140917203 - 2²¹ = 1138820051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140917213) 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, 12601 + ... + 49402.

It is an arithmetic number, because the mean of its divisors is an integer number (285249402).

Almost surely, 2^1140917203 is an apocalyptic number.

1140917203 is a deficient number, since it is larger than the sum of its proper divisors (80405).

1140917203 is an equidigital number, since it uses as much as digits as its factorization.

1140917203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80404.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1140917203 is about 33777.4659055412. The cubic root of 1140917203 is about 1044.9240126977.

The spelling of 1140917203 in words is "one billion, one hundred forty million, nine hundred seventeen thousand, two hundred three".