126209833 has 2 divisors, whose sum is σ = 126209834. Its totient is φ = 126209832.

The previous prime is 126209821. The next prime is 126209851. The reversal of 126209833 is 338902621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121066009 + 5143824 = 11003^2 + 2268^2 .

It is an emirp because it is prime and its reverse (338902621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126209833 - 2¹³ = 126201641 is a prime.

It is not a weakly prime, because it can be changed into another prime (126209893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63104916 + 63104917.

It is an arithmetic number, because the mean of its divisors is an integer number (63104917).

Almost surely, 2^126209833 is an apocalyptic number.

It is an amenable number.

126209833 is a deficient number, since it is larger than the sum of its proper divisors (1).

126209833 is an equidigital number, since it uses as much as digits as its factorization.

126209833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 126209833 is about 11234.3149768911. The cubic root of 126209833 is about 501.6079342188.

The spelling of 126209833 in words is "one hundred twenty-six million, two hundred nine thousand, eight hundred thirty-three".