1053121 has 4 divisors (see below), whose sum is σ = 1055700. Its totient is φ = 1050544.

The previous prime is 1053103. The next prime is 1053179. The reversal of 1053121 is 1213501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213501 = 313 ⋅3877.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 547600 = 711^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053121 - 2⁵ = 1053089 is a prime.

It is a super-2 number, since 2×1053121² = 2218127681282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053181) 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, 526 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (263925).

2^1053121 is an apocalyptic number.

It is an amenable number.

1053121 is a deficient number, since it is larger than the sum of its proper divisors (2579).

1053121 is an equidigital number, since it uses as much as digits as its factorization.

1053121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1053121 is about 1026.2168386847. The cubic root of 1053121 is about 101.7402399748.

Adding to 1053121 its reverse (1213501), we get a palindrome (2266622).

The spelling of 1053121 in words is "one million, fifty-three thousand, one hundred twenty-one".