126331103 has 8 divisors (see below), whose sum is σ = 127814976. Its totient is φ = 124852000.

The previous prime is 126331069. The next prime is 126331129. The reversal of 126331103 is 301133621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126331103 - 2⁸ = 126330847 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 (126336103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91325 + ... + 92697.

It is an arithmetic number, because the mean of its divisors is an integer number (15976872).

Almost surely, 2^126331103 is an apocalyptic number.

126331103 is a deficient number, since it is larger than the sum of its proper divisors (1483873).

126331103 is a wasteful number, since it uses less digits than its factorization.

126331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385.

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

The square root of 126331103 is about 11239.7109838287. The cubic root of 126331103 is about 501.7685411490.

Adding to 126331103 its reverse (301133621), we get a palindrome (427464724).

The spelling of 126331103 in words is "one hundred twenty-six million, three hundred thirty-one thousand, one hundred three".