1113425103 has 16 divisors (see below), whose sum is σ = 1698878720. Its totient is φ = 635406336.

The previous prime is 1113425087. The next prime is 1113425119. The reversal of 1113425103 is 3015243111.

It is an interprime number because it is at equal distance from previous prime (1113425087) and next prime (1113425119).

It is not a de Polignac number, because 1113425103 - 2⁴ = 1113425087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1113425103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113425153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18325 + ... + 50622.

It is an arithmetic number, because the mean of its divisors is an integer number (106179920).

Almost surely, 2^1113425103 is an apocalyptic number.

1113425103 is a deficient number, since it is larger than the sum of its proper divisors (585453617).

1113425103 is an equidigital number, since it uses as much as digits as its factorization.

1113425103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69726.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1113425103 is about 33368.0251588253. The cubic root of 1113425103 is about 1036.4626811738.

Adding to 1113425103 its reverse (3015243111), we get a palindrome (4128668214).

The spelling of 1113425103 in words is "one billion, one hundred thirteen million, four hundred twenty-five thousand, one hundred three".