102000001203 has 48 divisors (see below), whose sum is σ = 154701840384. Its totient is φ = 64637517120.

The previous prime is 102000001141. The next prime is 102000001237. The reversal of 102000001203 is 302100000201.

It is a happy number.

It is not a de Polignac number, because 102000001203 - 2²¹ = 101997904051 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 (102000001253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23227138 + ... + 23231528.

It is an arithmetic number, because the mean of its divisors is an integer number (3222955008).

Almost surely, 2^102000001203 is an apocalyptic number.

102000001203 is a deficient number, since it is larger than the sum of its proper divisors (52701839181).

102000001203 is a wasteful number, since it uses less digits than its factorization.

102000001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096 (or 5093 counting only the distinct ones).

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

Adding to 102000001203 its reverse (302100000201), we get a palindrome (404100001404).

The spelling of 102000001203 in words is "one hundred two billion, one thousand, two hundred three".