1124004420 has 144 divisors (see below), whose sum is σ = 4250832768. Its totient is φ = 233556480.

The previous prime is 1124004383. The next prime is 1124004421. The reversal of 1124004420 is 244004211.

1124004420 is a `hidden beast` number, since 1 + 1 + 240 + 0 + 4 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1124004393 and 1124004402.

It is not an unprimeable number, because it can be changed into a prime (1124004421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26689 + ... + 54408.

It is an arithmetic number, because the mean of its divisors is an integer number (29519672).

Almost surely, 2^1124004420 is an apocalyptic number.

1124004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124004420 is an abundant number, since it is smaller than the sum of its proper divisors (3126828348).

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

1124004420 is a wasteful number, since it uses less digits than its factorization.

1124004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81130 (or 81125 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1124004420 is about 33526.1751471891. The cubic root of 1124004420 is about 1039.7350224833.

Adding to 1124004420 its reverse (244004211), we get a palindrome (1368008631).

The spelling of 1124004420 in words is "one billion, one hundred twenty-four million, four thousand, four hundred twenty".