126122823915 has 16 divisors (see below), whose sum is σ = 220141656576. Its totient is φ = 61150460000.

The previous prime is 126122823907. The next prime is 126122823977. The reversal of 126122823915 is 519328221621.

It is not a de Polignac number, because 126122823915 - 2³ = 126122823907 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382190211 + ... + 382190540.

It is an arithmetic number, because the mean of its divisors is an integer number (13758853536).

Almost surely, 2^126122823915 is an apocalyptic number.

126122823915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126122823915 is a deficient number, since it is larger than the sum of its proper divisors (94018832661).

126122823915 is a wasteful number, since it uses less digits than its factorization.

126122823915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764380770.

The product of its digits is 103680, while the sum is 42.

The spelling of 126122823915 in words is "one hundred twenty-six billion, one hundred twenty-two million, eight hundred twenty-three thousand, nine hundred fifteen".