1121353 has 4 divisors (see below), whose sum is σ = 1136788. Its totient is φ = 1105920.

The previous prime is 1121347. The next prime is 1121357. The reversal of 1121353 is 3531211.

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 751689 + 369664 = 867^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121353 - 2¹⁷ = 990281 is a prime.

It is a Duffinian number.

1121353 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1121357) 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, 7608 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (284197).

2^1121353 is an apocalyptic number.

It is an amenable number.

1121353 is a deficient number, since it is larger than the sum of its proper divisors (15435).

1121353 is an equidigital number, since it uses as much as digits as its factorization.

1121353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15434.

The product of its digits is 90, while the sum is 16.

The square root of 1121353 is about 1058.9395639034. The cubic root of 1121353 is about 103.8916833312.

Adding to 1121353 its reverse (3531211), we get a palindrome (4652564).

The spelling of 1121353 in words is "one million, one hundred twenty-one thousand, three hundred fifty-three".