102612203 has 4 divisors (see below), whose sum is σ = 102685440. Its totient is φ = 102538968.

The previous prime is 102612199. The next prime is 102612227. The reversal of 102612203 is 302216201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102612203 - 2² = 102612199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102612403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34475 + ... + 37332.

It is an arithmetic number, because the mean of its divisors is an integer number (25671360).

Almost surely, 2^102612203 is an apocalyptic number.

102612203 is a deficient number, since it is larger than the sum of its proper divisors (73237).

102612203 is an equidigital number, since it uses as much as digits as its factorization.

102612203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73236.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 102612203 is about 10129.7681612167. The cubic root of 102612203 is about 468.1657845825.

Adding to 102612203 its reverse (302216201), we get a palindrome (404828404).

The spelling of 102612203 in words is "one hundred two million, six hundred twelve thousand, two hundred three".