1122258 has 8 divisors (see below), whose sum is σ = 2244528. Its totient is φ = 374084.

The previous prime is 1122241. The next prime is 1122259. The reversal of 1122258 is 8522211.

It is a happy number.

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

1122258 is an admirable number.

It is a plaindrome in base 10.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93516 + ... + 93527.

It is an arithmetic number, because the mean of its divisors is an integer number (280566).

2^1122258 is an apocalyptic number.

1122258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122258 is a wasteful number, since it uses less digits than its factorization.

1122258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187048.

The product of its digits is 320, while the sum is 21.

The square root of 1122258 is about 1059.3667920036. The cubic root of 1122258 is about 103.9196247826.

Adding to 1122258 its reverse (8522211), we get a palindrome (9644469).

The spelling of 1122258 in words is "one million, one hundred twenty-two thousand, two hundred fifty-eight".