126361237 has 2 divisors, whose sum is σ = 126361238. Its totient is φ = 126361236.

The previous prime is 126361217. The next prime is 126361297. The reversal of 126361237 is 732163621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126360081 + 1156 = 11241^2 + 34^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126361237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126361199 and 126361208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126361217) 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, 63180618 + 63180619.

It is an arithmetic number, because the mean of its divisors is an integer number (63180619).

Almost surely, 2^126361237 is an apocalyptic number.

It is an amenable number.

126361237 is a deficient number, since it is larger than the sum of its proper divisors (1).

126361237 is an equidigital number, since it uses as much as digits as its factorization.

126361237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 126361237 is about 11241.0514187953. The cubic root of 126361237 is about 501.8084339144.

It can be divided in two parts, 1263 and 61237, that added together give a square (62500 = 250²).

The spelling of 126361237 in words is "one hundred twenty-six million, three hundred sixty-one thousand, two hundred thirty-seven".