1123124430 has 64 divisors (see below), whose sum is σ = 2730309120. Its totient is φ = 295653504.

The previous prime is 1123124423. The next prime is 1123124437. The reversal of 1123124430 is 344213211.

It is an interprime number because it is at equal distance from previous prime (1123124423) and next prime (1123124437).

It is a super-2 number, since 2×1123124430² = 2522816970525649800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123124397 and 1123124406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123124437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408792 + ... + 1409588.

It is an arithmetic number, because the mean of its divisors is an integer number (42661080).

Almost surely, 2^1123124430 is an apocalyptic number.

1123124430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123124430 is an abundant number, since it is smaller than the sum of its proper divisors (1607184690).

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

1123124430 is a wasteful number, since it uses less digits than its factorization.

1123124430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1123124430 is about 33513.0486527263. The cubic root of 1123124430 is about 1039.4636133189.

Adding to 1123124430 its reverse (344213211), we get a palindrome (1467337641).

The spelling of 1123124430 in words is "one billion, one hundred twenty-three million, one hundred twenty-four thousand, four hundred thirty".