126868769 has 2 divisors, whose sum is σ = 126868770. Its totient is φ = 126868768.

The previous prime is 126868751. The next prime is 126868787. The reversal of 126868769 is 967868621.

It is a balanced prime because it is at equal distance from previous prime (126868751) and next prime (126868787).

It can be written as a sum of positive squares in only one way, i.e., 111028369 + 15840400 = 10537^2 + 3980^2 .

It is an emirp because it is prime and its reverse (967868621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126868769 - 2⁸ = 126868513 is a prime.

It is a super-2 number, since 2×126868769² = 32191369095150722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126868769.

It is not a weakly prime, because it can be changed into another prime (126168769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63434384 + 63434385.

It is an arithmetic number, because the mean of its divisors is an integer number (63434385).

Almost surely, 2^126868769 is an apocalyptic number.

It is an amenable number.

126868769 is a deficient number, since it is larger than the sum of its proper divisors (1).

126868769 is an equidigital number, since it uses as much as digits as its factorization.

126868769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 53.

The square root of 126868769 is about 11263.6037306006. The cubic root of 126868769 is about 502.4793770568.

The spelling of 126868769 in words is "one hundred twenty-six million, eight hundred sixty-eight thousand, seven hundred sixty-nine".