7269121 has 4 divisors (see below), whose sum is σ = 7368772. Its totient is φ = 7169472.

The previous prime is 7269089. The next prime is 7269133. The reversal of 7269121 is 1219627.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5198400 + 2070721 = 2280^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 7269121 - 2⁵ = 7269089 is a prime.

It is a super-2 number, since 2×7269121² = 105680240225282, which contains 22 as substring.

It is a Duffinian number.

7269121 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7269121.

It is not an unprimeable number, because it can be changed into a prime (7269151) 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, 49716 + ... + 49861.

It is an arithmetic number, because the mean of its divisors is an integer number (1842193).

Almost surely, 2^7269121 is an apocalyptic number.

It is an amenable number.

7269121 is a deficient number, since it is larger than the sum of its proper divisors (99651).

7269121 is an equidigital number, since it uses as much as digits as its factorization.

7269121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99650.

The product of its digits is 1512, while the sum is 28.

The square root of 7269121 is about 2696.1307460878. The cubic root of 7269121 is about 193.7138321667.

The spelling of 7269121 in words is "seven million, two hundred sixty-nine thousand, one hundred twenty-one".