126940501269 has 16 divisors (see below), whose sum is σ = 188094999040. Its totient is φ = 84611252160.

The previous prime is 126940501243. The next prime is 126940501273. The reversal of 126940501269 is 962105049621.

It is not a de Polignac number, because 126940501269 - 2⁸ = 126940501013 is a prime.

It is a super-2 number, since 2×126940501269² (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 (126940501469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288772 + ... + 580749.

It is an arithmetic number, because the mean of its divisors is an integer number (11755937440).

Almost surely, 2^126940501269 is an apocalyptic number.

It is an amenable number.

126940501269 is a deficient number, since it is larger than the sum of its proper divisors (61154497771).

126940501269 is an equidigital number, since it uses as much as digits as its factorization.

126940501269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874937 (or 874931 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 126940501269 in words is "one hundred twenty-six billion, nine hundred forty million, five hundred one thousand, two hundred sixty-nine".