1122442 has 8 divisors (see below), whose sum is σ = 1782756. Its totient is φ = 528192.

The previous prime is 1122437. The next prime is 1122449. The reversal of 1122442 is 2442211.

It can be written as a sum of positive squares in 2 ways, for example, as 1121481 + 961 = 1059^2 + 31^2 .

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

It is a d-powerful number, because it can be written as 1 + 1 + 2³ + 2⁷ + 4⁸ + 4¹⁰ + 2¹³ .

It is not an unprimeable number, because it can be changed into a prime (1122449) 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, 16473 + ... + 16540.

2^1122442 is an apocalyptic number.

1122442 is a deficient number, since it is larger than the sum of its proper divisors (660314).

1122442 is a wasteful number, since it uses less digits than its factorization.

1122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33032.

The product of its digits is 128, while the sum is 16.

The square root of 1122442 is about 1059.4536327749. The cubic root of 1122442 is about 103.9253038587.

Adding to 1122442 its reverse (2442211), we get a palindrome (3564653).

The spelling of 1122442 in words is "one million, one hundred twenty-two thousand, four hundred forty-two".