26126401 has 4 divisors (see below), whose sum is σ = 29858752. Its totient is φ = 22394052.

The previous prime is 26126383. The next prime is 26126411. The reversal of 26126401 is 10462162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26126401 - 2¹¹ = 26124353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26126411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866165 + ... + 1866178.

It is an arithmetic number, because the mean of its divisors is an integer number (7464688).

Almost surely, 2^26126401 is an apocalyptic number.

It is an amenable number.

26126401 is a deficient number, since it is larger than the sum of its proper divisors (3732351).

26126401 is an equidigital number, since it uses as much as digits as its factorization.

26126401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732350.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 26126401 is about 5111.3991235277. The cubic root of 26126401 is about 296.7289110371.

Adding to 26126401 its reverse (10462162), we get a palindrome (36588563).

It can be divided in two parts, 261 and 26401, that added together give a palindrome (26662).

The spelling of 26126401 in words is "twenty-six million, one hundred twenty-six thousand, four hundred one".