26653121 has 8 divisors (see below), whose sum is σ = 29186688. Its totient is φ = 24138000.

The previous prime is 26653079. The next prime is 26653139. The reversal of 26653121 is 12135662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26653121 - 2⁶ = 26653057 is a prime.

It is a deceptive number, since it divides R_26653120.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26653141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490 + ... + 7451.

It is an arithmetic number, because the mean of its divisors is an integer number (3648336).

Almost surely, 2^26653121 is an apocalyptic number.

26653121 is the 2981-st octagonal number.

It is an amenable number.

26653121 is a deficient number, since it is larger than the sum of its proper divisors (2533567).

26653121 is a wasteful number, since it uses less digits than its factorization.

26653121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223.

The product of its digits is 2160, while the sum is 26.

The square root of 26653121 is about 5162.6660748106. Note that the first 3 decimals coincide. The cubic root of 26653121 is about 298.7097215237.

Adding to 26653121 its reverse (12135662), we get a palindrome (38788783).

The spelling of 26653121 in words is "twenty-six million, six hundred fifty-three thousand, one hundred twenty-one".