126722607051 has 16 divisors (see below), whose sum is σ = 179418098304. Its totient is φ = 79283071104.

The previous prime is 126722607047. The next prime is 126722607097. The reversal of 126722607051 is 150706227621.

It is not a de Polignac number, because 126722607051 - 2² = 126722607047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126722609051) 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, 3562645 + ... + 3598038.

It is an arithmetic number, because the mean of its divisors is an integer number (11213631144).

Almost surely, 2^126722607051 is an apocalyptic number.

126722607051 is a deficient number, since it is larger than the sum of its proper divisors (52695491253).

126722607051 is a wasteful number, since it uses less digits than its factorization.

126722607051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161050.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 126722607051 in words is "one hundred twenty-six billion, seven hundred twenty-two million, six hundred seven thousand, fifty-one".