7033121 has 4 divisors (see below), whose sum is σ = 7446852. Its totient is φ = 6619392.

The previous prime is 7033111. The next prime is 7033151. The reversal of 7033121 is 1213307.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2768896 + 4264225 = 1664^2 + 2065^2 .

It is not a de Polignac number, because 7033121 - 2¹⁸ = 6770977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 413713 = 7033121 / (7 + 0 + 3 + 3 + 1 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7033121.

It is not an unprimeable number, because it can be changed into a prime (7033111) 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, 206840 + ... + 206873.

It is an arithmetic number, because the mean of its divisors is an integer number (1861713).

Almost surely, 2^7033121 is an apocalyptic number.

It is an amenable number.

7033121 is a deficient number, since it is larger than the sum of its proper divisors (413731).

7033121 is a wasteful number, since it uses less digits than its factorization.

7033121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413730.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 7033121 is about 2652.0032051263. The cubic root of 7033121 is about 191.5943493611.

Subtracting from 7033121 its sum of digits (17), we obtain a square (7033104 = 2652²).

Adding to 7033121 its reverse (1213307), we get a palindrome (8246428).

The spelling of 7033121 in words is "seven million, thirty-three thousand, one hundred twenty-one".