102003201 has 12 divisors (see below), whose sum is σ = 147468880. Its totient is φ = 67941720.

The previous prime is 102003197. The next prime is 102003227. The reversal of 102003201 is 102300201.

It is a happy number.

It is not a de Polignac number, because 102003201 - 2² = 102003197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102003401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7230 + ... + 16008.

Almost surely, 2^102003201 is an apocalyptic number.

It is an amenable number.

102003201 is a deficient number, since it is larger than the sum of its proper divisors (45465679).

102003201 is a wasteful number, since it uses less digits than its factorization.

102003201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076 (or 10073 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 102003201 is about 10099.6634102330. The cubic root of 102003201 is about 467.2377604067.

Adding to 102003201 its reverse (102300201), we get a palindrome (204303402).

The spelling of 102003201 in words is "one hundred two million, three thousand, two hundred one".