26231120 has 20 divisors (see below), whose sum is σ = 60987540. Its totient is φ = 10492416.

The previous prime is 26231099. The next prime is 26231129. The reversal of 26231120 is 2113262.

It can be written as a sum of positive squares in 2 ways, for example, as 17774656 + 8456464 = 4216^2 + 2908^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26231129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163865 + ... + 164024.

It is an arithmetic number, because the mean of its divisors is an integer number (3049377).

Almost surely, 2^26231120 is an apocalyptic number.

26231120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26231120 is an abundant number, since it is smaller than the sum of its proper divisors (34756420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26231120 is a wasteful number, since it uses less digits than its factorization.

26231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327902 (or 327896 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 26231120 is about 5121.6325522239. The cubic root of 26231120 is about 297.1248289640.

Adding to 26231120 its reverse (2113262), we get a palindrome (28344382).

The spelling of 26231120 in words is "twenty-six million, two hundred thirty-one thousand, one hundred twenty".