1203113133 has 12 divisors (see below), whose sum is σ = 1741758720. Its totient is φ = 800262216.

The previous prime is 1203113123. The next prime is 1203113161. The reversal of 1203113133 is 3313113021.

It is a happy number.

1203113133 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1203113133 - 2¹³ = 1203104941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203113113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146893 + ... + 154866.

It is an arithmetic number, because the mean of its divisors is an integer number (145146560).

Almost surely, 2^1203113133 is an apocalyptic number.

It is an amenable number.

1203113133 is a deficient number, since it is larger than the sum of its proper divisors (538645587).

1203113133 is a wasteful number, since it uses less digits than its factorization.

1203113133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302208 (or 302205 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1203113133 is about 34685.9212505593. The cubic root of 1203113133 is about 1063.5767193997.

Adding to 1203113133 its reverse (3313113021), we get a palindrome (4516226154).

The spelling of 1203113133 in words is "one billion, two hundred three million, one hundred thirteen thousand, one hundred thirty-three".