1320053 has 4 divisors (see below), whose sum is σ = 1508640. Its totient is φ = 1131468.

The previous prime is 1320037. The next prime is 1320061. The reversal of 1320053 is 3500231.

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.

It is a cyclic number.

It is not a de Polignac number, because 1320053 - 2⁴ = 1320037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320023) 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, 94283 + ... + 94296.

It is an arithmetic number, because the mean of its divisors is an integer number (377160).

2^1320053 is an apocalyptic number.

It is an amenable number.

1320053 is a deficient number, since it is larger than the sum of its proper divisors (188587).

1320053 is an equidigital number, since it uses as much as digits as its factorization.

1320053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188586.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 1320053 is about 1148.9355943655. The cubic root of 1320053 is about 109.6975991843.

Adding to 1320053 its reverse (3500231), we get a palindrome (4820284).

The spelling of 1320053 in words is "one million, three hundred twenty thousand, fifty-three".