1220241 has 16 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 730320.

The previous prime is 1220239. The next prime is 1220249. The reversal of 1220241 is 1420221.

It is not a de Polignac number, because 1220241 - 2¹ = 1220239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220249) 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, 3220 + ... + 3578.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

2^1220241 is an apocalyptic number.

1220241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220241 is a deficient number, since it is larger than the sum of its proper divisors (576879).

1220241 is a wasteful number, since it uses less digits than its factorization.

1220241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1220241 is about 1104.6451919055. The cubic root of 1220241 is about 106.8600084988.

Adding to 1220241 its reverse (1420221), we get a palindrome (2640462).

The spelling of 1220241 in words is "one million, two hundred twenty thousand, two hundred forty-one".