126290077 has 2 divisors, whose sum is σ = 126290078. Its totient is φ = 126290076.

The previous prime is 126290053. The next prime is 126290083. The reversal of 126290077 is 770092621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90839961 + 35450116 = 9531^2 + 5954^2 .

It is a cyclic number.

It is not a de Polignac number, because 126290077 - 2¹⁹ = 125765789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126290027) 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, 63145038 + 63145039.

It is an arithmetic number, because the mean of its divisors is an integer number (63145039).

Almost surely, 2^126290077 is an apocalyptic number.

It is an amenable number.

126290077 is a deficient number, since it is larger than the sum of its proper divisors (1).

126290077 is an equidigital number, since it uses as much as digits as its factorization.

126290077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 126290077 is about 11237.8857887060. The cubic root of 126290077 is about 501.7142188577.

The spelling of 126290077 in words is "one hundred twenty-six million, two hundred ninety thousand, seventy-seven".