102201425 has 12 divisors (see below), whose sum is σ = 127372800. Its totient is φ = 81346320.

The previous prime is 102201391. The next prime is 102201461. The reversal of 102201425 is 524102201.

It is not a de Polignac number, because 102201425 - 2¹⁸ = 101939281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5297 + ... + 15246.

It is an arithmetic number, because the mean of its divisors is an integer number (10614400).

Almost surely, 2^102201425 is an apocalyptic number.

It is an amenable number.

102201425 is a deficient number, since it is larger than the sum of its proper divisors (25171375).

102201425 is a wasteful number, since it uses less digits than its factorization.

102201425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20752 (or 20747 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 102201425 is about 10109.4720435837. The cubic root of 102201425 is about 467.5402274096.

Adding to 102201425 its reverse (524102201), we get a palindrome (626303626).

The spelling of 102201425 in words is "one hundred two million, two hundred one thousand, four hundred twenty-five".