5403121 has 4 divisors (see below), whose sum is σ = 5419492. Its totient is φ = 5386752.

The previous prime is 5403109. The next prime is 5403133. The reversal of 5403121 is 1213045.

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

It is an interprime number because it is at equal distance from previous prime (5403109) and next prime (5403133).

It can be written as a sum of positive squares in 2 ways, for example, as 474721 + 4928400 = 689^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 5403121 - 2⁵ = 5403089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5403095 and 5403104.

It is not an unprimeable number, because it can be changed into a prime (5400121) 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, 7680 + ... + 8353.

It is an arithmetic number, because the mean of its divisors is an integer number (1354873).

Almost surely, 2^5403121 is an apocalyptic number.

It is an amenable number.

5403121 is a deficient number, since it is larger than the sum of its proper divisors (16371).

5403121 is a wasteful number, since it uses less digits than its factorization.

5403121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16370.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5403121 is about 2324.4614430014. The cubic root of 5403121 is about 175.4748572624.

Adding to 5403121 its reverse (1213045), we get a palindrome (6616166).

The spelling of 5403121 in words is "five million, four hundred three thousand, one hundred twenty-one".