1231433124 has 12 divisors (see below), whose sum is σ = 2873343984. Its totient is φ = 410477704.

The previous prime is 1231433123. The next prime is 1231433129. The reversal of 1231433124 is 4213341321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1231433094 and 1231433103.

It is not an unprimeable number, because it can be changed into a prime (1231433123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51309702 + ... + 51309725.

It is an arithmetic number, because the mean of its divisors is an integer number (239445332).

Almost surely, 2^1231433124 is an apocalyptic number.

It is an amenable number.

1231433124 is an abundant number, since it is smaller than the sum of its proper divisors (1641910860).

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

1231433124 is a wasteful number, since it uses less digits than its factorization.

1231433124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102619434 (or 102619432 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1231433124 is about 35091.7814309847. The cubic root of 1231433124 is about 1071.8572350627.

Adding to 1231433124 its reverse (4213341321), we get a palindrome (5444774445).

The spelling of 1231433124 in words is "one billion, two hundred thirty-one million, four hundred thirty-three thousand, one hundred twenty-four".