1120554 has 20 divisors (see below), whose sum is σ = 2511234. Its totient is φ = 373464.

The previous prime is 1120549. The next prime is 1120573. The reversal of 1120554 is 4550211.

1120554 is a `hidden beast` number, since 112 + 0 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 893025 + 227529 = 945^2 + 477^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3297 + ... + 3620.

2^1120554 is an apocalyptic number.

1120554 is an abundant number, since it is smaller than the sum of its proper divisors (1390680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120554 is an equidigital number, since it uses as much as digits as its factorization.

1120554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931 (or 6922 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1120554 is about 1058.5622324644. The cubic root of 1120554 is about 103.8670020820.

Adding to 1120554 its reverse (4550211), we get a palindrome (5670765).

The spelling of 1120554 in words is "one million, one hundred twenty thousand, five hundred fifty-four".