126274693 has 2 divisors, whose sum is σ = 126274694. Its totient is φ = 126274692.

The previous prime is 126274679. The next prime is 126274721. The reversal of 126274693 is 396472621.

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., 80874049 + 45400644 = 8993^2 + 6738^2 .

It is a cyclic number.

It is not a de Polignac number, because 126274693 - 2⁵ = 126274661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126274663) 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, 63137346 + 63137347.

It is an arithmetic number, because the mean of its divisors is an integer number (63137347).

Almost surely, 2^126274693 is an apocalyptic number.

It is an amenable number.

126274693 is a deficient number, since it is larger than the sum of its proper divisors (1).

126274693 is an equidigital number, since it uses as much as digits as its factorization.

126274693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 126274693 is about 11237.2012974762. The cubic root of 126274693 is about 501.6938459586.

The spelling of 126274693 in words is "one hundred twenty-six million, two hundred seventy-four thousand, six hundred ninety-three".