102120303 has 4 divisors (see below), whose sum is σ = 136160408. Its totient is φ = 68080200.

The previous prime is 102120301. The next prime is 102120311. The reversal of 102120303 is 303021201.

It is a happy number.

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

It is not a de Polignac number, because 102120303 - 2¹ = 102120301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17020048 + ... + 17020053.

It is an arithmetic number, because the mean of its divisors is an integer number (34040102).

Almost surely, 2^102120303 is an apocalyptic number.

102120303 is a deficient number, since it is larger than the sum of its proper divisors (34040105).

102120303 is an equidigital number, since it uses as much as digits as its factorization.

102120303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34040104.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 102120303 is about 10105.4590692358. The cubic root of 102120303 is about 467.4164918949.

Adding to 102120303 its reverse (303021201), we get a palindrome (405141504).

The spelling of 102120303 in words is "one hundred two million, one hundred twenty thousand, three hundred three".