102520344 has 32 divisors (see below), whose sum is σ = 258030000. Its totient is φ = 33942912.

The previous prime is 102520337. The next prime is 102520403. The reversal of 102520344 is 443025201.

It is a self number, because there is not a number n which added to its sum of digits gives 102520344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10759 + ... + 17910.

Almost surely, 2^102520344 is an apocalyptic number.

It is an amenable number.

102520344 is an abundant number, since it is smaller than the sum of its proper divisors (155509656).

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

102520344 is a wasteful number, since it uses less digits than its factorization.

102520344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28827 (or 28823 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 102520344 is about 10125.2330343553. The cubic root of 102520344 is about 468.0260413590.

Adding to 102520344 its reverse (443025201), we get a palindrome (545545545).

The spelling of 102520344 in words is "one hundred two million, five hundred twenty thousand, three hundred forty-four".