126073439 has 2 divisors, whose sum is σ = 126073440. Its totient is φ = 126073438.

The previous prime is 126073421. The next prime is 126073447. The reversal of 126073439 is 934370621.

It is a strong prime.

It is an emirp because it is prime and its reverse (934370621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126073439 - 2²⁴ = 109296223 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126073399 and 126073408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126073489) 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 as a sum of consecutive naturals, namely, 63036719 + 63036720.

It is an arithmetic number, because the mean of its divisors is an integer number (63036720).

Almost surely, 2^126073439 is an apocalyptic number.

126073439 is a deficient number, since it is larger than the sum of its proper divisors (1).

126073439 is an equidigital number, since it uses as much as digits as its factorization.

126073439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 126073439 is about 11228.2429168593. The cubic root of 126073439 is about 501.4271744702.

The spelling of 126073439 in words is "one hundred twenty-six million, seventy-three thousand, four hundred thirty-nine".