126726088321 has 16 divisors (see below), whose sum is σ = 151261553664. Its totient is φ = 103806982224.

The previous prime is 126726088301. The next prime is 126726088373. The reversal of 126726088321 is 123880627621.

It is a cyclic number.

It is not a de Polignac number, because 126726088321 - 2³⁵ = 92366349953 is a prime.

It is a super-2 number, since 2×126726088321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126726088301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169651 + ... + 531256.

It is an arithmetic number, because the mean of its divisors is an integer number (9453847104).

Almost surely, 2^126726088321 is an apocalyptic number.

It is an amenable number.

126726088321 is a deficient number, since it is larger than the sum of its proper divisors (24535465343).

126726088321 is a wasteful number, since it uses less digits than its factorization.

126726088321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702060.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 126726088321 in words is "one hundred twenty-six billion, seven hundred twenty-six million, eighty-eight thousand, three hundred twenty-one".