1122239 has 8 divisors (see below), whose sum is σ = 1192320. Its totient is φ = 1053976.

The previous prime is 1122227. The next prime is 1122241. The reversal of 1122239 is 9322211.

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

It is a de Polignac number, because none of the positive numbers 2^k-1122239 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1122239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944 + ... + 1770.

It is an arithmetic number, because the mean of its divisors is an integer number (149040).

2^1122239 is an apocalyptic number.

1122239 is a deficient number, since it is larger than the sum of its proper divisors (70081).

1122239 is an equidigital number, since it uses as much as digits as its factorization.

1122239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its digits is 216, while the sum is 20.

The square root of 1122239 is about 1059.3578243445. The cubic root of 1122239 is about 103.9190383209.

The spelling of 1122239 in words is "one million, one hundred twenty-two thousand, two hundred thirty-nine".