126277133 has 2 divisors, whose sum is σ = 126277134. Its totient is φ = 126277132.

The previous prime is 126277093. The next prime is 126277157. The reversal of 126277133 is 331772621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114532804 + 11744329 = 10702^2 + 3427^2 .

It is an emirp because it is prime and its reverse (331772621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126277133 - 2⁶ = 126277069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126277133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126277183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63138566 + 63138567.

It is an arithmetic number, because the mean of its divisors is an integer number (63138567).

Almost surely, 2^126277133 is an apocalyptic number.

It is an amenable number.

126277133 is a deficient number, since it is larger than the sum of its proper divisors (1).

126277133 is an equidigital number, since it uses as much as digits as its factorization.

126277133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 126277133 is about 11237.3098649098. The cubic root of 126277133 is about 501.6970773401.

The spelling of 126277133 in words is "one hundred twenty-six million, two hundred seventy-seven thousand, one hundred thirty-three".