1205053 has 4 divisors (see below), whose sum is σ = 1237660. Its totient is φ = 1172448.

The previous prime is 1205047. The next prime is 1205081. The reversal of 1205053 is 3505021.

1205053 is nontrivially palindromic in base 5.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3505021 = 13 ⋅269617.

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 66564 = 1067^2 + 258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205053 - 2¹³ = 1196861 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 (1205093) 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, 16248 + ... + 16321.

It is an arithmetic number, because the mean of its divisors is an integer number (309415).

2^1205053 is an apocalyptic number.

It is an amenable number.

1205053 is a deficient number, since it is larger than the sum of its proper divisors (32607).

1205053 is an equidigital number, since it uses as much as digits as its factorization.

1205053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32606.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 1205053 is about 1097.7490605781. The cubic root of 1205053 is about 106.4148039872.

Subtracting 1205053 from its reverse (3505021), we obtain a cube (2299968 = 132³).

The spelling of 1205053 in words is "one million, two hundred five thousand, fifty-three".