1132020221 has 8 divisors (see below), whose sum is σ = 1145664000. Its totient is φ = 1118424400.

The previous prime is 1132020179. The next prime is 1132020229. The reversal of 1132020221 is 1220202311.

It is a happy number.

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 1132020221 - 2¹⁸ = 1131758077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132020196 and 1132020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132020229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36680 + ... + 60078.

It is an arithmetic number, because the mean of its divisors is an integer number (143208000).

Almost surely, 2^1132020221 is an apocalyptic number.

It is an amenable number.

1132020221 is a deficient number, since it is larger than the sum of its proper divisors (13643779).

1132020221 is a wasteful number, since it uses less digits than its factorization.

1132020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23979.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1132020221 is about 33645.5081846002. The cubic root of 1132020221 is about 1042.2007824204.

Adding to 1132020221 its reverse (1220202311), we get a palindrome (2352222532).

The spelling of 1132020221 in words is "one billion, one hundred thirty-two million, twenty thousand, two hundred twenty-one".