26120215 has 16 divisors (see below), whose sum is σ = 34515360. Its totient is φ = 18817920.

The previous prime is 26120201. The next prime is 26120219. The reversal of 26120215 is 51202162.

It is not a de Polignac number, because 26120215 - 2⁹ = 26119703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26120192 and 26120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26120219) 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 15 ways as a sum of consecutive naturals, for example, 3817 + ... + 8173.

It is an arithmetic number, because the mean of its divisors is an integer number (2157210).

Almost surely, 2^26120215 is an apocalyptic number.

26120215 is a deficient number, since it is larger than the sum of its proper divisors (8395145).

26120215 is a wasteful number, since it uses less digits than its factorization.

26120215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 26120215 is about 5110.7939696294. The cubic root of 26120215 is about 296.7054901568.

Adding to 26120215 its reverse (51202162), we get a palindrome (77322377).

It can be divided in two parts, 26120 and 215, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 26120215 in words is "twenty-six million, one hundred twenty thousand, two hundred fifteen".