1300231221 has 8 divisors (see below), whose sum is σ = 1738880544. Its totient is φ = 864201360.

The previous prime is 1300231189. The next prime is 1300231241. The reversal of 1300231221 is 1221320031.

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

It is not a de Polignac number, because 1300231221 - 2⁵ = 1300231189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1300231221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300231241) 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, 653706 + ... + 655691.

It is an arithmetic number, because the mean of its divisors is an integer number (217360068).

Almost surely, 2^1300231221 is an apocalyptic number.

It is an amenable number.

1300231221 is a deficient number, since it is larger than the sum of its proper divisors (438649323).

1300231221 is a wasteful number, since it uses less digits than its factorization.

1300231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309731.

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

The square root of 1300231221 is about 36058.7190704273. The cubic root of 1300231221 is about 1091.4575851108.

Adding to 1300231221 its reverse (1221320031), we get a palindrome (2521551252).

The spelling of 1300231221 in words is "one billion, three hundred million, two hundred thirty-one thousand, two hundred twenty-one".