1147055 has 16 divisors (see below), whose sum is σ = 1694784. Its totient is φ = 725760.

The previous prime is 1147051. The next prime is 1147067. The reversal of 1147055 is 5507411.

It is not a de Polignac number, because 1147055 - 2² = 1147051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1147055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (105924).

2^1147055 is an apocalyptic number.

1147055 is a deficient number, since it is larger than the sum of its proper divisors (547729).

1147055 is a wasteful number, since it uses less digits than its factorization.

1147055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1147055 is about 1071.0065359278. The cubic root of 1147055 is about 104.6794456564.

The spelling of 1147055 in words is "one million, one hundred forty-seven thousand, fifty-five".