26112121 has 16 divisors (see below), whose sum is σ = 31409280. Its totient is φ = 21237120.

The previous prime is 26112113. The next prime is 26112133. The reversal of 26112121 is 12121162.

It is a cyclic number.

It is not a de Polignac number, because 26112121 - 2³ = 26112113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26112095 and 26112104.

It is not an unprimeable number, because it can be changed into a prime (26112181) 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 in 15 ways as a sum of consecutive naturals, for example, 9390 + ... + 11848.

It is an arithmetic number, because the mean of its divisors is an integer number (1963080).

Almost surely, 2^26112121 is an apocalyptic number.

It is an amenable number.

26112121 is a deficient number, since it is larger than the sum of its proper divisors (5297159).

26112121 is a wasteful number, since it uses less digits than its factorization.

26112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its digits is 48, while the sum is 16.

The square root of 26112121 is about 5110.0020547941. The cubic root of 26112121 is about 296.6748397922.

Adding to 26112121 its reverse (12121162), we get a palindrome (38233283).

The spelling of 26112121 in words is "twenty-six million, one hundred twelve thousand, one hundred twenty-one".