1013023221 has 8 divisors (see below), whose sum is σ = 1543654464. Its totient is φ = 578870400.

The previous prime is 1013023159. The next prime is 1013023223. The reversal of 1013023221 is 1223203101.

1013023221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1013023221 - 2¹⁴ = 1013006837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013023221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013023223) 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, 24119580 + ... + 24119621.

It is an arithmetic number, because the mean of its divisors is an integer number (192956808).

Almost surely, 2^1013023221 is an apocalyptic number.

It is an amenable number.

1013023221 is a deficient number, since it is larger than the sum of its proper divisors (530631243).

1013023221 is an equidigital number, since it uses as much as digits as its factorization.

1013023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48239211.

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

The square root of 1013023221 is about 31828.0257163400. The cubic root of 1013023221 is about 1004.3223639188.

Adding to 1013023221 its reverse (1223203101), we get a palindrome (2236226322).

The spelling of 1013023221 in words is "one billion, thirteen million, twenty-three thousand, two hundred twenty-one".