26122401 has 6 divisors (see below), whose sum is σ = 37732370. Its totient is φ = 17414928.

The previous prime is 26122399. The next prime is 26122423. The reversal of 26122401 is 10422162.

26122401 is a `hidden beast` number, since 261 + 2 + 2 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25401600 + 720801 = 5040^2 + 849^2 .

It is not a de Polignac number, because 26122401 - 2¹ = 26122399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26122471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1451236 + ... + 1451253.

Almost surely, 2^26122401 is an apocalyptic number.

It is an amenable number.

26122401 is a deficient number, since it is larger than the sum of its proper divisors (11609969).

26122401 is a wasteful number, since it uses less digits than its factorization.

26122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902495 (or 2902492 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 26122401 is about 5111.0078262511. The cubic root of 26122401 is about 296.7137670171.

Adding to 26122401 its reverse (10422162), we get a palindrome (36544563).

The spelling of 26122401 in words is "twenty-six million, one hundred twenty-two thousand, four hundred one".