102012025 has 12 divisors (see below), whose sum is σ = 128230012. Its totient is φ = 80490240.

The previous prime is 102012017. The next prime is 102012049. The reversal of 102012025 is 520210201.

It can be written as a sum of positive squares in 6 ways, for example, as 627264 + 101384761 = 792^2 + 10069^2 .

It is not a de Polignac number, because 102012025 - 2³ = 102012017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011996 and 102012014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26124 + ... + 29773.

Almost surely, 2^102012025 is an apocalyptic number.

It is an amenable number.

102012025 is a deficient number, since it is larger than the sum of its proper divisors (26217987).

102012025 is an equidigital number, since it uses as much as digits as its factorization.

102012025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55980 (or 55975 counting only the distinct ones).

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

The square root of 102012025 is about 10100.1002470273. The cubic root of 102012025 is about 467.2512331444.

Adding to 102012025 its reverse (520210201), we get a palindrome (622222226).

It can be divided in two parts, 10201 and 2025, that multiplied together give a square (20657025 = 4545²).

The spelling of 102012025 in words is "one hundred two million, twelve thousand, twenty-five".