1113452203 has 4 divisors (see below), whose sum is σ = 1149370048. Its totient is φ = 1077534360.

The previous prime is 1113452177. The next prime is 1113452209. The reversal of 1113452203 is 3022543111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3022543111 = 7 ⋅431791873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113452203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113452209) 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, 17958876 + ... + 17958937.

It is an arithmetic number, because the mean of its divisors is an integer number (287342512).

Almost surely, 2^1113452203 is an apocalyptic number.

1113452203 is a deficient number, since it is larger than the sum of its proper divisors (35917845).

1113452203 is an equidigital number, since it uses as much as digits as its factorization.

1113452203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35917844.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1113452203 is about 33368.4312337275. The cubic root of 1113452203 is about 1036.4710900348.

Adding to 1113452203 its reverse (3022543111), we get a palindrome (4135995314).

The spelling of 1113452203 in words is "one billion, one hundred thirteen million, four hundred fifty-two thousand, two hundred three".