102040224 has 96 divisors (see below), whose sum is σ = 314725824. Its totient is φ = 28538880.

The previous prime is 102040201. The next prime is 102040231. The reversal of 102040224 is 422040201.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10012 + ... + 17444.

It is an arithmetic number, because the mean of its divisors is an integer number (3278394).

Almost surely, 2^102040224 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 102040224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157362912).

102040224 is an abundant number, since it is smaller than the sum of its proper divisors (212685600).

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

102040224 is a wasteful number, since it uses less digits than its factorization.

102040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470 (or 7462 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 102040224 is about 10101.4961268121. The cubic root of 102040224 is about 467.2942829830.

Adding to 102040224 its reverse (422040201), we get a palindrome (524080425).

The spelling of 102040224 in words is "one hundred two million, forty thousand, two hundred twenty-four".