126841837 has 2 divisors, whose sum is σ = 126841838. Its totient is φ = 126841836.

The previous prime is 126841831. The next prime is 126841867. The reversal of 126841837 is 738148621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111112681 + 15729156 = 10541^2 + 3966^2 .

It is a cyclic number.

It is not a de Polignac number, because 126841837 - 2¹¹ = 126839789 is a prime.

It is a super-2 number, since 2×126841837² = 32177703227069138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126841837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126841831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63420918 + 63420919.

It is an arithmetic number, because the mean of its divisors is an integer number (63420919).

Almost surely, 2^126841837 is an apocalyptic number.

It is an amenable number.

126841837 is a deficient number, since it is larger than the sum of its proper divisors (1).

126841837 is an equidigital number, since it uses as much as digits as its factorization.

126841837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 126841837 is about 11262.4081350304. The cubic root of 126841837 is about 502.4438187068.

The spelling of 126841837 in words is "one hundred twenty-six million, eight hundred forty-one thousand, eight hundred thirty-seven".