102732125 has 8 divisors (see below), whose sum is σ = 128209848. Its totient is φ = 82185600.

The previous prime is 102732059. The next prime is 102732127. The reversal of 102732125 is 521237201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 196249 + 102535876 = 443^2 + 10126^2 .

It is not a de Polignac number, because 102732125 - 2¹⁸ = 102469981 is a prime.

It is a Duffinian number.

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 102732125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102732127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410804 + ... + 411053.

It is an arithmetic number, because the mean of its divisors is an integer number (16026231).

Almost surely, 2^102732125 is an apocalyptic number.

It is an amenable number.

102732125 is a deficient number, since it is larger than the sum of its proper divisors (25477723).

102732125 is an frugal number, since it uses more digits than its factorization.

102732125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821872 (or 821862 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 102732125 is about 10135.6857192792. The cubic root of 102732125 is about 468.3480940231.

Adding to 102732125 its reverse (521237201), we get a palindrome (623969326).

The spelling of 102732125 in words is "one hundred two million, seven hundred thirty-two thousand, one hundred twenty-five".