1121142404 has 48 divisors (see below), whose sum is σ = 2065029120. Its totient is φ = 531947520.

The previous prime is 1121142403. The next prime is 1121142413. The reversal of 1121142404 is 4042411211.

It is not an unprimeable number, because it can be changed into a prime (1121142403) 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, 1890332 + ... + 1890924.

It is an arithmetic number, because the mean of its divisors is an integer number (43021440).

Almost surely, 2^1121142404 is an apocalyptic number.

It is an amenable number.

1121142404 is a deficient number, since it is larger than the sum of its proper divisors (943886716).

1121142404 is a wasteful number, since it uses less digits than its factorization.

1121142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1121142404 is about 33483.4646355481. The cubic root of 1121142404 is about 1038.8517912221.

Adding to 1121142404 its reverse (4042411211), we get a palindrome (5163553615).

The spelling of 1121142404 in words is "one billion, one hundred twenty-one million, one hundred forty-two thousand, four hundred four".