126027223309 has 16 divisors (see below), whose sum is σ = 148660611120. Its totient is φ = 105714201600.

The previous prime is 126027223297. The next prime is 126027223321. The reversal of 126027223309 is 903322720621.

It is an interprime number because it is at equal distance from previous prime (126027223297) and next prime (126027223321).

It can be written as a sum of positive squares in 8 ways, for example, as 9370820809 + 116656402500 = 96803^2 + 341550^2 .

It is a cyclic number.

It is not a de Polignac number, because 126027223309 - 2¹¹ = 126027221261 is a prime.

It is a super-2 number, since 2×126027223309² (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 (126027223369) 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, 9825642 + ... + 9838459.

It is an arithmetic number, because the mean of its divisors is an integer number (9291288195).

Almost surely, 2^126027223309 is an apocalyptic number.

It is an amenable number.

126027223309 is a deficient number, since it is larger than the sum of its proper divisors (22633387811).

126027223309 is a wasteful number, since it uses less digits than its factorization.

126027223309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19664160.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 126027223309 in words is "one hundred twenty-six billion, twenty-seven million, two hundred twenty-three thousand, three hundred nine".