126167941 has 2 divisors, whose sum is σ = 126167942. Its totient is φ = 126167940.

The previous prime is 126167939. The next prime is 126167957. The reversal of 126167941 is 149761621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96236100 + 29931841 = 9810^2 + 5471^2 .

It is an emirp because it is prime and its reverse (149761621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126167941 - 2¹ = 126167939 is a prime.

Together with 126167939, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 126167941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126167341) 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, 63083970 + 63083971.

It is an arithmetic number, because the mean of its divisors is an integer number (63083971).

Almost surely, 2^126167941 is an apocalyptic number.

It is an amenable number.

126167941 is a deficient number, since it is larger than the sum of its proper divisors (1).

126167941 is an equidigital number, since it uses as much as digits as its factorization.

126167941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 126167941 is about 11232.4503559998. The cubic root of 126167941 is about 501.5524296028.

The spelling of 126167941 in words is "one hundred twenty-six million, one hundred sixty-seven thousand, nine hundred forty-one".