126074243 has 2 divisors, whose sum is σ = 126074244. Its totient is φ = 126074242.

The previous prime is 126074233. The next prime is 126074317. The reversal of 126074243 is 342470621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126074243 is a prime.

It is not a weakly prime, because it can be changed into another prime (126074233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63037121 + 63037122.

It is an arithmetic number, because the mean of its divisors is an integer number (63037122).

Almost surely, 2^126074243 is an apocalyptic number.

126074243 is a deficient number, since it is larger than the sum of its proper divisors (1).

126074243 is an equidigital number, since it uses as much as digits as its factorization.

126074243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 126074243 is about 11228.2787193764. The cubic root of 126074243 is about 501.4282403743.

The spelling of 126074243 in words is "one hundred twenty-six million, seventy-four thousand, two hundred forty-three".