126252851 has 2 divisors, whose sum is σ = 126252852. Its totient is φ = 126252850.

The previous prime is 126252799. The next prime is 126252871. The reversal of 126252851 is 158252621.

It is a strong prime.

It is an emirp because it is prime and its reverse (158252621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126252851 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126252871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63126425 + 63126426.

It is an arithmetic number, because the mean of its divisors is an integer number (63126426).

Almost surely, 2^126252851 is an apocalyptic number.

126252851 is a deficient number, since it is larger than the sum of its proper divisors (1).

126252851 is an equidigital number, since it uses as much as digits as its factorization.

126252851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 32.

The square root of 126252851 is about 11236.2293942408. The cubic root of 126252851 is about 501.6649179431.

The spelling of 126252851 in words is "one hundred twenty-six million, two hundred fifty-two thousand, eight hundred fifty-one".