126213383 has 2 divisors, whose sum is σ = 126213384. Its totient is φ = 126213382.

The previous prime is 126213359. The next prime is 126213413. The reversal of 126213383 is 383312621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126213383 - 2¹² = 126209287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126213313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63106691 + 63106692.

It is an arithmetic number, because the mean of its divisors is an integer number (63106692).

Almost surely, 2^126213383 is an apocalyptic number.

126213383 is a deficient number, since it is larger than the sum of its proper divisors (1).

126213383 is an equidigital number, since it uses as much as digits as its factorization.

126213383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 126213383 is about 11234.4729738426. The cubic root of 126213383 is about 501.6126372107.

The spelling of 126213383 in words is "one hundred twenty-six million, two hundred thirteen thousand, three hundred eighty-three".