102043424 has 72 divisors (see below), whose sum is σ = 236202624. Its totient is φ = 42508800.

The previous prime is 102043421. The next prime is 102043441. The reversal of 102043424 is 424340201.

It is a junction number, because it is equal to n+sod(n) for n = 102043396 and 102043405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102043421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376409 + ... + 376679.

It is an arithmetic number, because the mean of its divisors is an integer number (3280592).

Almost surely, 2^102043424 is an apocalyptic number.

102043424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102043424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118101312).

102043424 is an abundant number, since it is smaller than the sum of its proper divisors (134159200).

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

102043424 is an equidigital number, since it uses as much as digits as its factorization.

102043424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 102043424 is about 10101.6545179490. The cubic root of 102043424 is about 467.2991677432.

Adding to 102043424 its reverse (424340201), we get a palindrome (526383625).

It can be divided in two parts, 1020 and 43424, that added together give a palindrome (44444).

The spelling of 102043424 in words is "one hundred two million, forty-three thousand, four hundred twenty-four".