102002125 has 32 divisors (see below), whose sum is σ = 140714496. Its totient is φ = 73427200.

The previous prime is 102002119. The next prime is 102002129. The reversal of 102002125 is 521200201.

It is not a de Polignac number, because 102002125 - 2¹¹ = 102000077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47832 + ... + 49918.

It is an arithmetic number, because the mean of its divisors is an integer number (4397328).

Almost surely, 2^102002125 is an apocalyptic number.

It is an amenable number.

102002125 is a deficient number, since it is larger than the sum of its proper divisors (38712371).

102002125 is a wasteful number, since it uses less digits than its factorization.

102002125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 102002125 is about 10099.6101409906. The cubic root of 102002125 is about 467.2361174857.

Adding to 102002125 its reverse (521200201), we get a palindrome (623202326).

The spelling of 102002125 in words is "one hundred two million, two thousand, one hundred twenty-five".