26231121 has 36 divisors (see below), whose sum is σ = 45728592. Its totient is φ = 14982408.

The previous prime is 26231099. The next prime is 26231129. The reversal of 26231121 is 12113262.

It is not a de Polignac number, because 26231121 - 2¹⁸ = 25968977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26231094 and 26231103.

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

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10806 + ... + 13008.

Almost surely, 2^26231121 is an apocalyptic number.

26231121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26231121 is a deficient number, since it is larger than the sum of its proper divisors (19497471).

26231121 is an equidigital number, since it uses as much as digits as its factorization.

26231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2213 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 26231121 is about 5121.6326498491. The cubic root of 26231121 is about 297.1248327397.

Adding to 26231121 its reverse (12113262), we get a palindrome (38344383).

The spelling of 26231121 in words is "twenty-six million, two hundred thirty-one thousand, one hundred twenty-one".