1204221411 has 20 divisors (see below), whose sum is σ = 1821679200. Its totient is φ = 792647856.

The previous prime is 1204221409. The next prime is 1204221413. The reversal of 1204221411 is 1141224021.

It is an interprime number because it is at equal distance from previous prime (1204221409) and next prime (1204221413).

It is not a de Polignac number, because 1204221411 - 2¹ = 1204221409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204221413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87696 + ... + 100493.

It is an arithmetic number, because the mean of its divisors is an integer number (91083960).

Almost surely, 2^1204221411 is an apocalyptic number.

1204221411 is a deficient number, since it is larger than the sum of its proper divisors (617457789).

1204221411 is an equidigital number, since it uses as much as digits as its factorization.

1204221411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188280 (or 188271 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1204221411 is about 34701.8934785985. The cubic root of 1204221411 is about 1063.9031993431.

Adding to 1204221411 its reverse (1141224021), we get a palindrome (2345445432).

The spelling of 1204221411 in words is "one billion, two hundred four million, two hundred twenty-one thousand, four hundred eleven".