1111055 has 8 divisors (see below), whose sum is σ = 1454544. Its totient is φ = 808000.

The previous prime is 1111049. The next prime is 1111057. The reversal of 1111055 is 5501111.

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

It is not a de Polignac number, because 1111055 - 2¹⁴ = 1094671 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 (1111057) 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, 10046 + ... + 10155.

It is an arithmetic number, because the mean of its divisors is an integer number (181818).

2^1111055 is an apocalyptic number.

1111055 is a deficient number, since it is larger than the sum of its proper divisors (343489).

1111055 is a wasteful number, since it uses less digits than its factorization.

1111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20217.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1111055 is about 1054.0659372165. The cubic root of 1111055 is about 103.5726733331.

Adding to 1111055 its reverse (5501111), we get a palindrome (6612166).

The spelling of 1111055 in words is "one million, one hundred eleven thousand, fifty-five".