102543125 has 20 divisors (see below), whose sum is σ = 128958720. Its totient is φ = 81510000.

The previous prime is 102543113. The next prime is 102543149. The reversal of 102543125 is 521345201.

It is not a de Polignac number, because 102543125 - 2¹⁶ = 102477589 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102543125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118946 + ... + 119804.

It is an arithmetic number, because the mean of its divisors is an integer number (6447936).

Almost surely, 2^102543125 is an apocalyptic number.

It is an amenable number.

102543125 is a deficient number, since it is larger than the sum of its proper divisors (26415595).

102543125 is an frugal number, since it uses more digits than its factorization.

102543125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 102543125 is about 10126.3579336304. The cubic root of 102543125 is about 468.0607054110.

Adding to 102543125 its reverse (521345201), we get a palindrome (623888326).

The spelling of 102543125 in words is "one hundred two million, five hundred forty-three thousand, one hundred twenty-five".