126268902759 has 4 divisors (see below), whose sum is σ = 168358537016. Its totient is φ = 84179268504.

The previous prime is 126268902757. The next prime is 126268902769. The reversal of 126268902759 is 957209862621.

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

It is not a de Polignac number, because 126268902759 - 2¹ = 126268902757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126268902699 and 126268902708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126268902757) 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, 21044817124 + ... + 21044817129.

It is an arithmetic number, because the mean of its divisors is an integer number (42089634254).

Almost surely, 2^126268902759 is an apocalyptic number.

126268902759 is a deficient number, since it is larger than the sum of its proper divisors (42089634257).

126268902759 is an equidigital number, since it uses as much as digits as its factorization.

126268902759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42089634256.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 126268902759 in words is "one hundred twenty-six billion, two hundred sixty-eight million, nine hundred two thousand, seven hundred fifty-nine".