126056387 has 2 divisors, whose sum is σ = 126056388. Its totient is φ = 126056386.

The previous prime is 126056347. The next prime is 126056401. The reversal of 126056387 is 783650621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126056387 - 2⁸ = 126056131 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126056387.

It is not a weakly prime, because it can be changed into another prime (126056347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63028193 + 63028194.

It is an arithmetic number, because the mean of its divisors is an integer number (63028194).

Almost surely, 2^126056387 is an apocalyptic number.

126056387 is a deficient number, since it is larger than the sum of its proper divisors (1).

126056387 is an equidigital number, since it uses as much as digits as its factorization.

126056387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 126056387 is about 11227.4835559888. The cubic root of 126056387 is about 501.4045666902.

The spelling of 126056387 in words is "one hundred twenty-six million, fifty-six thousand, three hundred eighty-seven".