1103253 has 4 divisors (see below), whose sum is σ = 1471008. Its totient is φ = 735500.

The previous prime is 1103237. The next prime is 1103257. The reversal of 1103253 is 3523011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3523011 = 3 ⋅1174337.

It is a cyclic number.

It is not a de Polignac number, because 1103253 - 2⁴ = 1103237 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103257) 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, 183873 + ... + 183878.

It is an arithmetic number, because the mean of its divisors is an integer number (367752).

2^1103253 is an apocalyptic number.

It is an amenable number.

1103253 is a deficient number, since it is larger than the sum of its proper divisors (367755).

1103253 is an equidigital number, since it uses as much as digits as its factorization.

1103253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367754.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1103253 is about 1050.3585102240. The cubic root of 1103253 is about 103.3296691960.

Adding to 1103253 its reverse (3523011), we get a palindrome (4626264).

The spelling of 1103253 in words is "one million, one hundred three thousand, two hundred fifty-three".