126537937 has 2 divisors, whose sum is σ = 126537938. Its totient is φ = 126537936.

The previous prime is 126537923. The next prime is 126537989. The reversal of 126537937 is 739735621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89132481 + 37405456 = 9441^2 + 6116^2 .

It is a cyclic number.

It is not a de Polignac number, because 126537937 - 2⁷ = 126537809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126537893 and 126537902.

It is not a weakly prime, because it can be changed into another prime (126537997) 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, 63268968 + 63268969.

It is an arithmetic number, because the mean of its divisors is an integer number (63268969).

Almost surely, 2^126537937 is an apocalyptic number.

It is an amenable number.

126537937 is a deficient number, since it is larger than the sum of its proper divisors (1).

126537937 is an equidigital number, since it uses as much as digits as its factorization.

126537937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 43.

The square root of 126537937 is about 11248.9082581378. The cubic root of 126537937 is about 502.0422299040.

The spelling of 126537937 in words is "one hundred twenty-six million, five hundred thirty-seven thousand, nine hundred thirty-seven".