126365605033237 has 2 divisors, whose sum is σ = 126365605033238. Its totient is φ = 126365605033236.

The previous prime is 126365605033231. The next prime is 126365605033249. The reversal of 126365605033237 is 732330506563621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103833124541316 + 22532480491921 = 10189854^2 + 4746839^2 .

It is a cyclic number.

It is not a de Polignac number, because 126365605033237 - 2³ = 126365605033229 is a prime.

It is a super-2 number, since 2×126365605033237² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126365605033231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63182802516618 + 63182802516619.

It is an arithmetic number, because the mean of its divisors is an integer number (63182802516619).

Almost surely, 2^{126365605033237} is an apocalyptic number.

It is an amenable number.

126365605033237 is a deficient number, since it is larger than the sum of its proper divisors (1).

126365605033237 is an equidigital number, since it uses as much as digits as its factorization.

126365605033237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 52.

The spelling of 126365605033237 in words is "one hundred twenty-six trillion, three hundred sixty-five billion, six hundred five million, thirty-three thousand, two hundred thirty-seven".