1120434221 has 4 divisors (see below), whose sum is σ = 1120536252. Its totient is φ = 1120332192.

The previous prime is 1120434191. The next prime is 1120434241. The reversal of 1120434221 is 1224340211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 777628996 + 342805225 = 27886^2 + 18515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120434221 - 2⁶ = 1120434157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120434193 and 1120434202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120434241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32240 + ... + 57273.

It is an arithmetic number, because the mean of its divisors is an integer number (280134063).

Almost surely, 2^1120434221 is an apocalyptic number.

It is an amenable number.

1120434221 is a deficient number, since it is larger than the sum of its proper divisors (102031).

1120434221 is an equidigital number, since it uses as much as digits as its factorization.

1120434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102030.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1120434221 is about 33472.8878497210. The cubic root of 1120434221 is about 1038.6330107670.

Adding to 1120434221 its reverse (1224340211), we get a palindrome (2344774432).

The spelling of 1120434221 in words is "one billion, one hundred twenty million, four hundred thirty-four thousand, two hundred twenty-one".