1120453221 has 8 divisors (see below), whose sum is σ = 1581816384. Its totient is φ = 703029440.

The previous prime is 1120453171. The next prime is 1120453223. The reversal of 1120453221 is 1223540211.

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 1120453221 - 2⁷ = 1120453093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120453223) 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, 10984785 + ... + 10984886.

It is an arithmetic number, because the mean of its divisors is an integer number (197727048).

Almost surely, 2^1120453221 is an apocalyptic number.

It is an amenable number.

1120453221 is a deficient number, since it is larger than the sum of its proper divisors (461363163).

1120453221 is a wasteful number, since it uses less digits than its factorization.

1120453221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21969691.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1120453221 is about 33473.1716603013. The cubic root of 1120453221 is about 1038.6388816800.

Adding to 1120453221 its reverse (1223540211), we get a palindrome (2343993432).

The spelling of 1120453221 in words is "one billion, one hundred twenty million, four hundred fifty-three thousand, two hundred twenty-one".