26123065 has 4 divisors (see below), whose sum is σ = 31347684. Its totient is φ = 20898448.

The previous prime is 26123057. The next prime is 26123077. The reversal of 26123065 is 56032162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8415801 + 17707264 = 2901^2 + 4208^2 .

It is a cyclic number.

It is not a de Polignac number, because 26123065 - 2³ = 26123057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612302 + ... + 2612311.

It is an arithmetic number, because the mean of its divisors is an integer number (7836921).

Almost surely, 2^26123065 is an apocalyptic number.

It is an amenable number.

26123065 is a deficient number, since it is larger than the sum of its proper divisors (5224619).

26123065 is an equidigital number, since it uses as much as digits as its factorization.

26123065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224618.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 26123065 is about 5111.0727836727. The cubic root of 26123065 is about 296.7162810314.

The spelling of 26123065 in words is "twenty-six million, one hundred twenty-three thousand, sixty-five".