1121120404 has 12 divisors (see below), whose sum is σ = 1963399284. Its totient is φ = 560149184.

The previous prime is 1121120393. The next prime is 1121120423. The reversal of 1121120404 is 4040211211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 930128004 + 190992400 = 30498^2 + 13820^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96577 + ... + 107560.

It is an arithmetic number, because the mean of its divisors is an integer number (163616607).

Almost surely, 2^1121120404 is an apocalyptic number.

It is an amenable number.

1121120404 is a deficient number, since it is larger than the sum of its proper divisors (842278880).

1121120404 is a wasteful number, since it uses less digits than its factorization.

1121120404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205514 (or 205512 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1121120404 is about 33483.1361135722. The cubic root of 1121120404 is about 1038.8449961029.

Adding to 1121120404 its reverse (4040211211), we get a palindrome (5161331615).

The spelling of 1121120404 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, four hundred four".