126274749103 has 4 divisors (see below), whose sum is σ = 128053266768. Its totient is φ = 124496231440.

The previous prime is 126274749079. The next prime is 126274749149. The reversal of 126274749103 is 301947472621.

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-126274749103 is a prime.

It is a super-2 number, since 2×126274749103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126274749193) 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, 889258726 + ... + 889258867.

It is an arithmetic number, because the mean of its divisors is an integer number (32013316692).

Almost surely, 2^126274749103 is an apocalyptic number.

126274749103 is a deficient number, since it is larger than the sum of its proper divisors (1778517665).

126274749103 is an equidigital number, since it uses as much as digits as its factorization.

126274749103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778517664.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 126274749103 in words is "one hundred twenty-six billion, two hundred seventy-four million, seven hundred forty-nine thousand, one hundred three".