26123113 has 4 divisors (see below), whose sum is σ = 27023940. Its totient is φ = 25222288.

The previous prime is 26123107. The next prime is 26123131. The reversal of 26123113 is 31132162.

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 22250089 + 3873024 = 4717^2 + 1968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26123113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26123143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450370 + ... + 450427.

It is an arithmetic number, because the mean of its divisors is an integer number (6755985).

Almost surely, 2^26123113 is an apocalyptic number.

It is an amenable number.

26123113 is a deficient number, since it is larger than the sum of its proper divisors (900827).

26123113 is an equidigital number, since it uses as much as digits as its factorization.

26123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900826.

The product of its digits is 216, while the sum is 19.

The square root of 26123113 is about 5111.0774793579. The cubic root of 26123113 is about 296.7164627657.

Adding to 26123113 its reverse (31132162), we get a palindrome (57255275).

The spelling of 26123113 in words is "twenty-six million, one hundred twenty-three thousand, one hundred thirteen".