1140620203 has 4 divisors (see below), whose sum is σ = 1140693840. Its totient is φ = 1140546568.

The previous prime is 1140620197. The next prime is 1140620237. The reversal of 1140620203 is 3020260411.

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 1140620203 - 2⁵ = 1140620171 is a prime.

It is a super-2 number, since 2×1140620203² = 2602028894983522418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140621203) 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, 3583 + ... + 47896.

It is an arithmetic number, because the mean of its divisors is an integer number (285173460).

Almost surely, 2^1140620203 is an apocalyptic number.

1140620203 is a deficient number, since it is larger than the sum of its proper divisors (73637).

1140620203 is an equidigital number, since it uses as much as digits as its factorization.

1140620203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73636.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1140620203 is about 33773.0691972169. The cubic root of 1140620203 is about 1044.8333343780.

Adding to 1140620203 its reverse (3020260411), we get a palindrome (4160880614).

The spelling of 1140620203 in words is "one billion, one hundred forty million, six hundred twenty thousand, two hundred three".