102743273 has 4 divisors (see below), whose sum is σ = 103802580. Its totient is φ = 101683968.

The previous prime is 102743239. The next prime is 102743299. The reversal of 102743273 is 372347201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43191184 + 59552089 = 6572^2 + 7717^2 .

It is a cyclic number.

It is not a de Polignac number, because 102743273 - 2⁶ = 102743209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102743233) 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, 529508 + ... + 529701.

It is an arithmetic number, because the mean of its divisors is an integer number (25950645).

Almost surely, 2^102743273 is an apocalyptic number.

It is an amenable number.

102743273 is a deficient number, since it is larger than the sum of its proper divisors (1059307).

102743273 is an equidigital number, since it uses as much as digits as its factorization.

102743273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059306.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 102743273 is about 10136.2356424858. The cubic root of 102743273 is about 468.3650343771.

The spelling of 102743273 in words is "one hundred two million, seven hundred forty-three thousand, two hundred seventy-three".