1122355 has 16 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 800640.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122355 is 5532211.

1122355 = 430² + 431² + ... + 435².

It is not a de Polignac number, because 1122355 - 2⁷ = 1122227 is a prime.

1122355 is a lucky number.

It is a plaindrome in base 10.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1737 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

2^1122355 is an apocalyptic number.

1122355 is a deficient number, since it is larger than the sum of its proper divisors (377549).

1122355 is a wasteful number, since it uses less digits than its factorization.

1122355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its digits is 300, while the sum is 19.

The square root of 1122355 is about 1059.4125730800. The cubic root of 1122355 is about 103.9226187207.

Adding to 1122355 its reverse (5532211), we get a palindrome (6654566).

It can be divided in two parts, 11 and 22355, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 1122355 in words is "one million, one hundred twenty-two thousand, three hundred fifty-five".