1121235 has 16 divisors (see below), whose sum is σ = 1899936. Its totient is φ = 562688.

The previous prime is 1121231. The next prime is 1121249. The reversal of 1121235 is 5321211.

It is a cyclic number.

It is not a de Polignac number, because 1121235 - 2² = 1121231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (118746).

2^1121235 is an apocalyptic number.

1121235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121235 is a deficient number, since it is larger than the sum of its proper divisors (778701).

1121235 is a wasteful number, since it uses less digits than its factorization.

1121235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422.

The product of its digits is 60, while the sum is 15.

The square root of 1121235 is about 1058.8838463212. The cubic root of 1121235 is about 103.8880390287. Note that the first 3 decimals are identical.

Adding to 1121235 its reverse (5321211), we get a palindrome (6442446).

The spelling of 1121235 in words is "one million, one hundred twenty-one thousand, two hundred thirty-five".