1209022 has 8 divisors (see below), whose sum is σ = 1827000. Its totient is φ = 600024.

The previous prime is 1209017. The next prime is 1209029. The reversal of 1209022 is 2209021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1208987 and 1209005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209029) 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, 1897 + ... + 2452.

It is an arithmetic number, because the mean of its divisors is an integer number (228375).

2^1209022 is an apocalyptic number.

1209022 is a deficient number, since it is larger than the sum of its proper divisors (617978).

1209022 is a wasteful number, since it uses less digits than its factorization.

1209022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1209022 is about 1099.5553646816. Note that the first 3 decimals coincide. The cubic root of 1209022 is about 106.5315063242.

Subtracting 1209022 from its reverse (2209021), we obtain a palindrome (999999).

The spelling of 1209022 in words is "one million, two hundred nine thousand, twenty-two".