126340524103 has 4 divisors (see below), whose sum is σ = 128071216288. Its totient is φ = 124609831920.

The previous prime is 126340524047. The next prime is 126340524223. The reversal of 126340524103 is 301425043621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126340524103 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 (126340524703) 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, 865345983 + ... + 865346128.

It is an arithmetic number, because the mean of its divisors is an integer number (32017804072).

Almost surely, 2^126340524103 is an apocalyptic number.

126340524103 is a deficient number, since it is larger than the sum of its proper divisors (1730692185).

126340524103 is an equidigital number, since it uses as much as digits as its factorization.

126340524103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730692184.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 126340524103 its reverse (301425043621), we get a palindrome (427765567724).

The spelling of 126340524103 in words is "one hundred twenty-six billion, three hundred forty million, five hundred twenty-four thousand, one hundred three".