1115055 has 24 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 584640.

The previous prime is 1115029. The next prime is 1115057. The reversal of 1115055 is 5505111.

It is not a de Polignac number, because 1115055 - 2¹⁰ = 1114031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3021 + ... + 3369.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2^1115055 is an apocalyptic number.

1115055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115055 is a deficient number, since it is larger than the sum of its proper divisors (850545).

1115055 is a wasteful number, since it uses less digits than its factorization.

1115055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 1115055 is about 1055.9616470308. The cubic root of 1115055 is about 103.6968179558.

The spelling of 1115055 in words is "one million, one hundred fifteen thousand, fifty-five".