1111220304 has 40 divisors (see below), whose sum is σ = 2896070592. Its totient is φ = 367127040.

The previous prime is 1111220303. The next prime is 1111220309. The reversal of 1111220304 is 4030221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97012 + ... + 107859.

Almost surely, 2^1111220304 is an apocalyptic number.

It is an amenable number.

1111220304 is an abundant number, since it is smaller than the sum of its proper divisors (1784850288).

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

1111220304 is a wasteful number, since it uses less digits than its factorization.

1111220304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204995 (or 204989 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1111220304 is about 33334.9711864282. The cubic root of 1111220304 is about 1035.7780963093.

Adding to 1111220304 its reverse (4030221111), we get a palindrome (5141441415).

The spelling of 1111220304 in words is "one billion, one hundred eleven million, two hundred twenty thousand, three hundred four".