126359251 has 2 divisors, whose sum is σ = 126359252. Its totient is φ = 126359250.

The previous prime is 126359239. The next prime is 126359257. The reversal of 126359251 is 152953621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126359251 - 2¹³ = 126351059 is a prime.

It is not a weakly prime, because it can be changed into another prime (126359257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63179625 + 63179626.

It is an arithmetic number, because the mean of its divisors is an integer number (63179626).

Almost surely, 2^126359251 is an apocalyptic number.

126359251 is a deficient number, since it is larger than the sum of its proper divisors (1).

126359251 is an equidigital number, since it uses as much as digits as its factorization.

126359251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 126359251 is about 11240.9630815157. The cubic root of 126359251 is about 501.8058049521.

The spelling of 126359251 in words is "one hundred twenty-six million, three hundred fifty-nine thousand, two hundred fifty-one".