1250330221 has 16 divisors (see below), whose sum is σ = 1463616000. Its totient is φ = 1045760688.

The previous prime is 1250330167. The next prime is 1250330227. The reversal of 1250330221 is 1220330521.

It is not a de Polignac number, because 1250330221 - 2¹⁹ = 1249805933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250330227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594630 + ... + 596728.

It is an arithmetic number, because the mean of its divisors is an integer number (91476000).

Almost surely, 2^1250330221 is an apocalyptic number.

It is an amenable number.

1250330221 is a deficient number, since it is larger than the sum of its proper divisors (213285779).

1250330221 is a wasteful number, since it uses less digits than its factorization.

1250330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128.

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

The square root of 1250330221 is about 35360.0087811075. The cubic root of 1250330221 is about 1077.3121952744.

Adding to 1250330221 its reverse (1220330521), we get a palindrome (2470660742).

It can be divided in two parts, 12503 and 30221, that added together give a palindrome (42724).

The spelling of 1250330221 in words is "one billion, two hundred fifty million, three hundred thirty thousand, two hundred twenty-one".