1122365 has 4 divisors (see below), whose sum is σ = 1346844. Its totient is φ = 897888.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122365 is 5632211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 515524 + 606841 = 718^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122365 - 2¹⁶ = 1056829 is a prime.

It is a Duffinian 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112232 + ... + 112241.

It is an arithmetic number, because the mean of its divisors is an integer number (336711).

2^1122365 is an apocalyptic number.

It is an amenable number.

1122365 is a deficient number, since it is larger than the sum of its proper divisors (224479).

1122365 is an equidigital number, since it uses as much as digits as its factorization.

1122365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224478.

The product of its digits is 360, while the sum is 20.

The square root of 1122365 is about 1059.4172926661. The cubic root of 1122365 is about 103.9229273643.

Adding to 1122365 its reverse (5632211), we get a palindrome (6754576).

The spelling of 1122365 in words is "one million, one hundred twenty-two thousand, three hundred sixty-five".