113122403 has 12 divisors (see below), whose sum is σ = 123111912. Its totient is φ = 103860480.

The previous prime is 113122397. The next prime is 113122421. The reversal of 113122403 is 304221311.

It is not a de Polignac number, because 113122403 - 2¹² = 113118307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113122423) 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, 7076 + ... + 16622.

It is an arithmetic number, because the mean of its divisors is an integer number (10259326).

Almost surely, 2^113122403 is an apocalyptic number.

113122403 is a deficient number, since it is larger than the sum of its proper divisors (9989509).

113122403 is an equidigital number, since it uses as much as digits as its factorization.

113122403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622 (or 9605 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113122403 is about 10635.9016072922. The cubic root of 113122403 is about 483.6333125781.

Adding to 113122403 its reverse (304221311), we get a palindrome (417343714).

The spelling of 113122403 in words is "one hundred thirteen million, one hundred twenty-two thousand, four hundred three".