1121124004 has 48 divisors (see below), whose sum is σ = 2634258816. Its totient is φ = 403200000.

The previous prime is 1121123989. The next prime is 1121124023. The reversal of 1121124004 is 4004211211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135997 + ... + 144004.

It is an arithmetic number, because the mean of its divisors is an integer number (54880392).

Almost surely, 2^1121124004 is an apocalyptic number.

1121124004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121124004 is an abundant number, since it is smaller than the sum of its proper divisors (1513134812).

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

1121124004 is a wasteful number, since it uses less digits than its factorization.

1121124004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280036 (or 280034 counting only the distinct ones).

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

The square root of 1121124004 is about 33483.1898719342. The cubic root of 1121124004 is about 1038.8461080376.

Adding to 1121124004 its reverse (4004211211), we get a palindrome (5125335215).

The spelling of 1121124004 in words is "one billion, one hundred twenty-one million, one hundred twenty-four thousand, four".