1122355453 has 4 divisors (see below), whose sum is σ = 1188376380. Its totient is φ = 1056334528.

The previous prime is 1122355417. The next prime is 1122355457. The reversal of 1122355453 is 3545532211.

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 529092004 + 593263449 = 23002^2 + 24357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122355453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122355457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33010438 + ... + 33010471.

It is an arithmetic number, because the mean of its divisors is an integer number (297094095).

Almost surely, 2^1122355453 is an apocalyptic number.

It is an amenable number.

1122355453 is a deficient number, since it is larger than the sum of its proper divisors (66020927).

1122355453 is an equidigital number, since it uses as much as digits as its factorization.

1122355453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66020926.

The product of its digits is 18000, while the sum is 31.

The square root of 1122355453 is about 33501.5738884011. The cubic root of 1122355453 is about 1039.2263270233.

Adding to 1122355453 its reverse (3545532211), we get a palindrome (4667887664).

The spelling of 1122355453 in words is "one billion, one hundred twenty-two million, three hundred fifty-five thousand, four hundred fifty-three".