26772121 has 6 divisors (see below), whose sum is σ = 28255722. Its totient is φ = 25362720.

The previous prime is 26772079. The next prime is 26772131. The reversal of 26772121 is 12127762.

It can be written as a sum of positive squares in only one way, i.e., 24403600 + 2368521 = 4940^2 + 1539^2 .

It is not a de Polignac number, because 26772121 - 2¹³ = 26763929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26772121.

It is not an unprimeable number, because it can be changed into a prime (26772131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36720 + ... + 37441.

It is an arithmetic number, because the mean of its divisors is an integer number (4709287).

Almost surely, 2^26772121 is an apocalyptic number.

It is an amenable number.

26772121 is a deficient number, since it is larger than the sum of its proper divisors (1483601).

26772121 is an equidigital number, since it uses as much as digits as its factorization.

26772121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74199 (or 74180 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 26772121 is about 5174.1782922509. The cubic root of 26772121 is about 299.1536180748.

Adding to 26772121 its reverse (12127762), we get a palindrome (38899883).

The spelling of 26772121 in words is "twenty-six million, seven hundred seventy-two thousand, one hundred twenty-one".