126406037 has 2 divisors, whose sum is σ = 126406038. Its totient is φ = 126406036.

The previous prime is 126406013. The next prime is 126406051. The reversal of 126406037 is 730604621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125305636 + 1100401 = 11194^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 126406037 - 2²⁰ = 125357461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126406937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63203018 + 63203019.

It is an arithmetic number, because the mean of its divisors is an integer number (63203019).

Almost surely, 2^126406037 is an apocalyptic number.

It is an amenable number.

126406037 is a deficient number, since it is larger than the sum of its proper divisors (1).

126406037 is an equidigital number, since it uses as much as digits as its factorization.

126406037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 126406037 is about 11243.0439383647. The cubic root of 126406037 is about 501.8677304785.

The spelling of 126406037 in words is "one hundred twenty-six million, four hundred six thousand, thirty-seven".