33641121 has 8 divisors (see below), whose sum is σ = 45274464. Its totient is φ = 22217600.

The previous prime is 33641089. The next prime is 33641137. The reversal of 33641121 is 12114633.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33641121 - 2⁵ = 33641089 is a prime.

It is a super-2 number, since 2×33641121² = 2263450044273282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33641161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52080 + ... + 52721.

It is an arithmetic number, because the mean of its divisors is an integer number (5659308).

Almost surely, 2^33641121 is an apocalyptic number.

It is an amenable number.

33641121 is a deficient number, since it is larger than the sum of its proper divisors (11633343).

33641121 is a wasteful number, since it uses less digits than its factorization.

33641121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104911.

The product of its digits is 432, while the sum is 21.

The square root of 33641121 is about 5800.0966371260. The cubic root of 33641121 is about 322.8173140307.

Adding to 33641121 its reverse (12114633), we get a palindrome (45755754).

The spelling of 33641121 in words is "thirty-three million, six hundred forty-one thousand, one hundred twenty-one".