1159155 has 12 divisors (see below), whose sum is σ = 2009280. Its totient is φ = 618192.

The previous prime is 1159153. The next prime is 1159187. The reversal of 1159155 is 5519511.

It is not a de Polignac number, because 1159155 - 2¹ = 1159153 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12835 + ... + 12924.

It is an arithmetic number, because the mean of its divisors is an integer number (167440).

2^1159155 is an apocalyptic number.

1159155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1159155 is a deficient number, since it is larger than the sum of its proper divisors (850125).

1159155 is a wasteful number, since it uses less digits than its factorization.

1159155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25770 (or 25767 counting only the distinct ones).

The product of its digits is 1125, while the sum is 27.

The square root of 1159155 is about 1076.6406085598. The cubic root of 1159155 is about 105.0462381388.

The spelling of 1159155 in words is "one million, one hundred fifty-nine thousand, one hundred fifty-five".