1220341404 has 12 divisors (see below), whose sum is σ = 2847463304. Its totient is φ = 406780464.

The previous prime is 1220341399. The next prime is 1220341411. The reversal of 1220341404 is 4041430221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50847547 + ... + 50847570.

Almost surely, 2^1220341404 is an apocalyptic number.

It is an amenable number.

1220341404 is an abundant number, since it is smaller than the sum of its proper divisors (1627121900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220341404 is a wasteful number, since it uses less digits than its factorization.

1220341404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101695124 (or 101695122 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1220341404 is about 34933.3852353304. The cubic root of 1220341404 is about 1068.6293930726.

Adding to 1220341404 its reverse (4041430221), we get a palindrome (5261771625).

The spelling of 1220341404 in words is "one billion, two hundred twenty million, three hundred forty-one thousand, four hundred four".