1106557 has 4 divisors (see below), whose sum is σ = 1115136. Its totient is φ = 1097980.

The previous prime is 1106543. The next prime is 1106563. The reversal of 1106557 is 7556011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1106557 - 2⁷ = 1106429 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 (1106527) 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 3 ways as a sum of consecutive naturals, for example, 4093 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (278784).

2^1106557 is an apocalyptic number.

It is an amenable number.

1106557 is a deficient number, since it is larger than the sum of its proper divisors (8579).

1106557 is an equidigital number, since it uses as much as digits as its factorization.

1106557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1106557 is about 1051.9301307596. The cubic root of 1106557 is about 103.4327162716.

The spelling of 1106557 in words is "one million, one hundred six thousand, five hundred fifty-seven".