1124132420 has 12 divisors (see below), whose sum is σ = 2360678124. Its totient is φ = 449652960.

The previous prime is 1124132413. The next prime is 1124132431. The reversal of 1124132420 is 242314211.

It can be written as a sum of positive squares in 2 ways, for example, as 124055044 + 1000077376 = 11138^2 + 31624^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 56206621 = 1124132420 / (1 + 1 + 2 + 4 + 1 + 3 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1124132392 and 1124132401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28103291 + ... + 28103330.

It is an arithmetic number, because the mean of its divisors is an integer number (196723177).

Almost surely, 2^1124132420 is an apocalyptic number.

1124132420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124132420 is an abundant number, since it is smaller than the sum of its proper divisors (1236545704).

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

1124132420 is a wasteful number, since it uses less digits than its factorization.

1124132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56206630 (or 56206628 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1124132420 is about 33528.0840490476. The cubic root of 1124132420 is about 1039.7744888261.

Adding to 1124132420 its reverse (242314211), we get a palindrome (1366446631).

The spelling of 1124132420 in words is "one billion, one hundred twenty-four million, one hundred thirty-two thousand, four hundred twenty".