126313103 has 4 divisors (see below), whose sum is σ = 144357840. Its totient is φ = 108268368.

The previous prime is 126313097. The next prime is 126313133. The reversal of 126313103 is 301313621.

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: 301313621 = 7 ⋅43044803.

It is a cyclic number.

It is not a de Polignac number, because 126313103 - 2⁶ = 126313039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126313133) 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, 9022358 + ... + 9022371.

It is an arithmetic number, because the mean of its divisors is an integer number (36089460).

Almost surely, 2^126313103 is an apocalyptic number.

126313103 is a deficient number, since it is larger than the sum of its proper divisors (18044737).

126313103 is an equidigital number, since it uses as much as digits as its factorization.

126313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044736.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 126313103 is about 11238.9102229709. The cubic root of 126313103 is about 501.7447089005.

Adding to 126313103 its reverse (301313621), we get a palindrome (427626724).

The spelling of 126313103 in words is "one hundred twenty-six million, three hundred thirteen thousand, one hundred three".