1231020024 has 64 divisors (see below), whose sum is σ = 3359748000. Its totient is φ = 373579776.

The previous prime is 1231020023. The next prime is 1231020041. The reversal of 1231020024 is 4200201321.

It is a junction number, because it is equal to n+sod(n) for n = 1231019985 and 1231020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231020023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4249 + ... + 49800.

Almost surely, 2^1231020024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231020024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679874000).

1231020024 is an abundant number, since it is smaller than the sum of its proper divisors (2128727976).

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

1231020024 is a wasteful number, since it uses less digits than its factorization.

1231020024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54144 (or 54140 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1231020024 is about 35085.8949436950. The cubic root of 1231020024 is about 1071.7373655825.

Adding to 1231020024 its reverse (4200201321), we get a palindrome (5431221345).

The spelling of 1231020024 in words is "one billion, two hundred thirty-one million, twenty thousand, twenty-four".