102521048 has 16 divisors (see below), whose sum is σ = 219688080. Its totient is φ = 43937568.

The previous prime is 102521039. The next prime is 102521063. The reversal of 102521048 is 840125201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915311 + ... + 915422.

It is an arithmetic number, because the mean of its divisors is an integer number (13730505).

Almost surely, 2^102521048 is an apocalyptic number.

It is an amenable number.

102521048 is an abundant number, since it is smaller than the sum of its proper divisors (117167032).

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

102521048 is a wasteful number, since it uses less digits than its factorization.

102521048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830746 (or 1830742 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 102521048 is about 10125.2677989276. The cubic root of 102521048 is about 468.0271126572.

Adding to 102521048 its reverse (840125201), we get a palindrome (942646249).

The spelling of 102521048 in words is "one hundred two million, five hundred twenty-one thousand, forty-eight".