126228733 has 2 divisors, whose sum is σ = 126228734. Its totient is φ = 126228732.

The previous prime is 126228731. The next prime is 126228749. The reversal of 126228733 is 337822621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121044004 + 5184729 = 11002^2 + 2277^2 .

It is an emirp because it is prime and its reverse (337822621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126228733 - 2¹ = 126228731 is a prime.

Together with 126228731, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126228731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63114366 + 63114367.

It is an arithmetic number, because the mean of its divisors is an integer number (63114367).

Almost surely, 2^126228733 is an apocalyptic number.

It is an amenable number.

126228733 is a deficient number, since it is larger than the sum of its proper divisors (1).

126228733 is an equidigital number, since it uses as much as digits as its factorization.

126228733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 126228733 is about 11235.1561181855. The cubic root of 126228733 is about 501.6329716678.

The spelling of 126228733 in words is "one hundred twenty-six million, two hundred twenty-eight thousand, seven hundred thirty-three".