1102273 has 4 divisors (see below), whose sum is σ = 1106820. Its totient is φ = 1097728.

The previous prime is 1102271. The next prime is 1102279. The reversal of 1102273 is 3722011.

It is a happy number.

1102273 is nontrivially palindromic in base 4.

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 1065024 + 37249 = 1032^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102273 - 2¹ = 1102271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102271) 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, 1888 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (276705).

2^1102273 is an apocalyptic number.

It is an amenable number.

1102273 is a deficient number, since it is larger than the sum of its proper divisors (4547).

1102273 is an equidigital number, since it uses as much as digits as its factorization.

1102273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1102273 is about 1049.8918991972. The cubic root of 1102273 is about 103.2990648305.

Adding to 1102273 its reverse (3722011), we get a palindrome (4824284).

The spelling of 1102273 in words is "one million, one hundred two thousand, two hundred seventy-three".