1250230321 has 4 divisors (see below), whose sum is σ = 1258510144. Its totient is φ = 1241950500.

The previous prime is 1250230313. The next prime is 1250230349. The reversal of 1250230321 is 1230320521.

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 1250230321 - 2³ = 1250230313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1250230351) 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, 4139685 + ... + 4139986.

It is an arithmetic number, because the mean of its divisors is an integer number (314627536).

Almost surely, 2^1250230321 is an apocalyptic number.

It is an amenable number.

1250230321 is a deficient number, since it is larger than the sum of its proper divisors (8279823).

1250230321 is an equidigital number, since it uses as much as digits as its factorization.

1250230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279822.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1250230321 is about 35358.5961401185. The cubic root of 1250230321 is about 1077.2835024931.

Adding to 1250230321 its reverse (1230320521), we get a palindrome (2480550842).

The spelling of 1250230321 in words is "one billion, two hundred fifty million, two hundred thirty thousand, three hundred twenty-one".