1353103 has 4 divisors (see below), whose sum is σ = 1358368. Its totient is φ = 1347840.

The previous prime is 1353101. The next prime is 1353133. The reversal of 1353103 is 3013531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1353103 - 2¹ = 1353101 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 (1353101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (339592).

2^1353103 is an apocalyptic number.

1353103 is a deficient number, since it is larger than the sum of its proper divisors (5265).

1353103 is an equidigital number, since it uses as much as digits as its factorization.

1353103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 1353103 is about 1163.2295560207. The cubic root of 1353103 is about 110.6055583101.

Adding to 1353103 its reverse (3013531), we get a palindrome (4366634).

The spelling of 1353103 in words is "one million, three hundred fifty-three thousand, one hundred three".