126843433 has 2 divisors, whose sum is σ = 126843434. Its totient is φ = 126843432.

The previous prime is 126843403. The next prime is 126843439. The reversal of 126843433 is 334348621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89718784 + 37124649 = 9472^2 + 6093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126843433 is a prime.

It is not a weakly prime, because it can be changed into another prime (126843439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63421716 + 63421717.

It is an arithmetic number, because the mean of its divisors is an integer number (63421717).

Almost surely, 2^126843433 is an apocalyptic number.

It is an amenable number.

126843433 is a deficient number, since it is larger than the sum of its proper divisors (1).

126843433 is an equidigital number, since it uses as much as digits as its factorization.

126843433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 126843433 is about 11262.4789899915. The cubic root of 126843433 is about 502.4459260477.

The spelling of 126843433 in words is "one hundred twenty-six million, eight hundred forty-three thousand, four hundred thirty-three".