102001203 has 24 divisors (see below), whose sum is σ = 153636912. Its totient is φ = 65153088.

The previous prime is 102001201. The next prime is 102001217. The reversal of 102001203 is 302100201.

It is a happy number.

It is not a de Polignac number, because 102001203 - 2¹ = 102001201 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (102001201) 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, 18025 + ... + 22997.

It is an arithmetic number, because the mean of its divisors is an integer number (6401538).

Almost surely, 2^102001203 is an apocalyptic number.

102001203 is a deficient number, since it is larger than the sum of its proper divisors (51635709).

102001203 is a wasteful number, since it uses less digits than its factorization.

102001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075 (or 5072 counting only the distinct ones).

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

The square root of 102001203 is about 10099.5644955612. The cubic root of 102001203 is about 467.2347096948.

Adding to 102001203 its reverse (302100201), we get a palindrome (404101404).

The spelling of 102001203 in words is "one hundred two million, one thousand, two hundred three".