1243430124 has 24 divisors (see below), whose sum is σ = 2972102448. Its totient is φ = 404367360.

The previous prime is 1243430081. The next prime is 1243430137. The reversal of 1243430124 is 4210343421.

It is a super-2 number, since 2×1243430124² = 3092236946541310752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243430094 and 1243430103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263157 + ... + 1264140.

It is an arithmetic number, because the mean of its divisors is an integer number (123837602).

Almost surely, 2^1243430124 is an apocalyptic number.

It is an amenable number.

1243430124 is an abundant number, since it is smaller than the sum of its proper divisors (1728672324).

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

1243430124 is a wasteful number, since it uses less digits than its factorization.

1243430124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527345 (or 2527343 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1243430124 is about 35262.3045758498. The cubic root of 1243430124 is about 1075.3267797609.

Adding to 1243430124 its reverse (4210343421), we get a palindrome (5453773545).

The spelling of 1243430124 in words is "one billion, two hundred forty-three million, four hundred thirty thousand, one hundred twenty-four".