1121453 has 2 divisors, whose sum is σ = 1121454. Its totient is φ = 1121452.

The previous prime is 1121447. The next prime is 1121509. The reversal of 1121453 is 3541211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946729 + 174724 = 973^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121453 - 2⁶ = 1121389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560726 + 560727.

It is an arithmetic number, because the mean of its divisors is an integer number (560727).

2^1121453 is an apocalyptic number.

It is an amenable number.

1121453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121453 is an equidigital number, since it uses as much as digits as its factorization.

1121453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 17.

The square root of 1121453 is about 1058.9867798986. The cubic root of 1121453 is about 103.8947715230.

Adding to 1121453 its reverse (3541211), we get a palindrome (4662664).

The spelling of 1121453 in words is "one million, one hundred twenty-one thousand, four hundred fifty-three".