2122453 has 4 divisors (see below), whose sum is σ = 2129548. Its totient is φ = 2115360.

The previous prime is 2122451. The next prime is 2122459. The reversal of 2122453 is 3542212.

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 321489 + 1800964 = 567^2 + 1342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122453 - 2¹ = 2122451 is a prime.

It is a Duffinian number.

2122453 is a lucky number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2122453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122451) 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, 3078 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (532387).

2^2122453 is an apocalyptic number.

It is an amenable number.

2122453 is a deficient number, since it is larger than the sum of its proper divisors (7095).

2122453 is an equidigital number, since it uses as much as digits as its factorization.

2122453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094.

The product of its digits is 480, while the sum is 19.

The square root of 2122453 is about 1456.8640979858. The cubic root of 2122453 is about 128.5126938663.

Adding to 2122453 its reverse (3542212), we get a palindrome (5664665).

The spelling of 2122453 in words is "two million, one hundred twenty-two thousand, four hundred fifty-three".