1120557 has 8 divisors (see below), whose sum is σ = 1542400. Its totient is φ = 722880.

The previous prime is 1120549. The next prime is 1120573. The reversal of 1120557 is 7550211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1120557 - 2³ = 1120549 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 (1120507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5932 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (192800).

2^1120557 is an apocalyptic number.

It is an amenable number.

1120557 is a deficient number, since it is larger than the sum of its proper divisors (421843).

1120557 is a wasteful number, since it uses less digits than its factorization.

1120557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12083.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 1120557 is about 1058.5636494798. The cubic root of 1120557 is about 103.8670947745.

Adding to 1120557 its reverse (7550211), we get a palindrome (8670768).

The spelling of 1120557 in words is "one million, one hundred twenty thousand, five hundred fifty-seven".