126371851 has 2 divisors, whose sum is σ = 126371852. Its totient is φ = 126371850.

The previous prime is 126371827. The next prime is 126371873. The reversal of 126371851 is 158173621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126371851 - 2¹³ = 126363659 is a prime.

It is equal to p_7183771 and since 126371851 and 7183771 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (126374851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63185925 + 63185926.

It is an arithmetic number, because the mean of its divisors is an integer number (63185926).

Almost surely, 2^126371851 is an apocalyptic number.

126371851 is a deficient number, since it is larger than the sum of its proper divisors (1).

126371851 is an equidigital number, since it uses as much as digits as its factorization.

126371851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 34.

The square root of 126371851 is about 11241.5235177444. The cubic root of 126371851 is about 501.8224837019.

The spelling of 126371851 in words is "one hundred twenty-six million, three hundred seventy-one thousand, eight hundred fifty-one".