102025 has 24 divisors (see below), whose sum is σ = 160704. Its totient is φ = 62400.

The previous prime is 102023. The next prime is 102031. The reversal of 102025 is 520201.

It is not a de Polignac number, because 102025 - 2¹ = 102023 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (6696).

2¹⁰²⁰²⁵ is an apocalyptic number.

It is an amenable number.

102025 is a deficient number, since it is larger than the sum of its proper divisors (58679).

102025 is a wasteful number, since it uses less digits than its factorization.

102025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 102025 is about 319.4135250737. The cubic root of 102025 is about 46.7271042338.

Adding to 102025 its reverse (520201), we get a palindrome (622226).

The spelling of 102025 in words is "one hundred two thousand, twenty-five".