1122361 has 4 divisors (see below), whose sum is σ = 1127412. Its totient is φ = 1117312.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122361 is 1632211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1632211 = 7 ⋅233173.

It can be written as a sum of positive squares in 2 ways, for example, as 160000 + 962361 = 400^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122361 - 2¹¹ = 1120313 is a prime.

It is a Duffinian number.

1122361 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176 + ... + 2641.

It is an arithmetic number, because the mean of its divisors is an integer number (281853).

2^1122361 is an apocalyptic number.

It is an amenable number.

1122361 is a deficient number, since it is larger than the sum of its proper divisors (5051).

1122361 is an equidigital number, since it uses as much as digits as its factorization.

1122361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050.

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

The square root of 1122361 is about 1059.4154048342. The cubic root of 1122361 is about 103.9228039071.

Adding to 1122361 its reverse (1632211), we get a palindrome (2754572).

The spelling of 1122361 in words is "one million, one hundred twenty-two thousand, three hundred sixty-one".