26123057 has 2 divisors, whose sum is σ = 26123058. Its totient is φ = 26123056.

The previous prime is 26123047. The next prime is 26123077. The reversal of 26123057 is 75032162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22886656 + 3236401 = 4784^2 + 1799^2 .

It is a cyclic number.

It is not a de Polignac number, because 26123057 - 2²⁰ = 25074481 is a prime.

It is not a weakly prime, because it can be changed into another prime (26123047) 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, 13061528 + 13061529.

It is an arithmetic number, because the mean of its divisors is an integer number (13061529).

Almost surely, 2^26123057 is an apocalyptic number.

It is an amenable number.

26123057 is a deficient number, since it is larger than the sum of its proper divisors (1).

26123057 is an equidigital number, since it uses as much as digits as its factorization.

26123057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 26123057 is about 5111.0720010581. The cubic root of 26123057 is about 296.7162507423.

The spelling of 26123057 in words is "twenty-six million, one hundred twenty-three thousand, fifty-seven".