1122438 has 8 divisors (see below), whose sum is σ = 2244888. Its totient is φ = 374144.

The previous prime is 1122437. The next prime is 1122449. The reversal of 1122438 is 8342211.

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

1122438 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122431) 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, 93531 + ... + 93542.

It is an arithmetic number, because the mean of its divisors is an integer number (280611).

2^1122438 is an apocalyptic number.

1122438 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.

1122438 is a wasteful number, since it uses less digits than its factorization.

1122438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187078.

The product of its digits is 384, while the sum is 21.

The square root of 1122438 is about 1059.4517450078. The cubic root of 1122438 is about 103.9251804072.

Adding to 1122438 its reverse (8342211), we get a palindrome (9464649).

The spelling of 1122438 in words is "one million, one hundred twenty-two thousand, four hundred thirty-eight".