1032013221 has 4 divisors (see below), whose sum is σ = 1376017632. Its totient is φ = 688008812.

The previous prime is 1032013217. The next prime is 1032013313. The reversal of 1032013221 is 1223102301.

1032013221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1032013221 - 2² = 1032013217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1032013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032013121) 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, 172002201 + ... + 172002206.

It is an arithmetic number, because the mean of its divisors is an integer number (344004408).

Almost surely, 2^1032013221 is an apocalyptic number.

It is an amenable number.

1032013221 is a deficient number, since it is larger than the sum of its proper divisors (344004411).

1032013221 is an equidigital number, since it uses as much as digits as its factorization.

1032013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344004410.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1032013221 is about 32124.9625836358. The cubic root of 1032013221 is about 1010.5591848451.

Adding to 1032013221 its reverse (1223102301), we get a palindrome (2255115522).

The spelling of 1032013221 in words is "one billion, thirty-two million, thirteen thousand, two hundred twenty-one".