113001203 has 6 divisors (see below), whose sum is σ = 131450436. Its totient is φ = 96858132.

The previous prime is 113001179. The next prime is 113001209. The reversal of 113001203 is 302100311.

It is not a de Polignac number, because 113001203 - 2²⁰ = 111952627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113001209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1153025 + ... + 1153122.

It is an arithmetic number, because the mean of its divisors is an integer number (21908406).

Almost surely, 2^113001203 is an apocalyptic number.

113001203 is a deficient number, since it is larger than the sum of its proper divisors (18449233).

113001203 is an equidigital number, since it uses as much as digits as its factorization.

113001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306161 (or 2306154 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 113001203 is about 10630.2023969443. The cubic root of 113001203 is about 483.4605283421.

Adding to 113001203 its reverse (302100311), we get a palindrome (415101514).

The spelling of 113001203 in words is "one hundred thirteen million, one thousand, two hundred three".