1155424 has 12 divisors (see below), whose sum is σ = 2274804. Its totient is φ = 577696.

The previous prime is 1155419. The next prime is 1155431. The reversal of 1155424 is 4245511.

It is a junction number, because it is equal to n+sod(n) for n = 1155395 and 1155404.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 18022 + ... + 18085.

It is an arithmetic number, because the mean of its divisors is an integer number (189567).

2^1155424 is an apocalyptic number.

It is an amenable number.

1155424 is a deficient number, since it is larger than the sum of its proper divisors (1119380).

1155424 is an equidigital number, since it uses as much as digits as its factorization.

1155424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36117 (or 36109 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 1155424 is about 1074.9065075624. The cubic root of 1155424 is about 104.9334120514.

The spelling of 1155424 in words is "one million, one hundred fifty-five thousand, four hundred twenty-four".