1159755 has 8 divisors (see below), whose sum is σ = 1855632. Its totient is φ = 618528.

The previous prime is 1159721. The next prime is 1159777. The reversal of 1159755 is 5579511.

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

It is not a de Polignac number, because 1159755 - 2⁹ = 1159243 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1159755 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38644 + ... + 38673.

It is an arithmetic number, because the mean of its divisors is an integer number (231954).

2^1159755 is an apocalyptic number.

1159755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1159755 is a deficient number, since it is larger than the sum of its proper divisors (695877).

1159755 is an equidigital number, since it uses as much as digits as its factorization.

1159755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77325.

The product of its digits is 7875, while the sum is 33.

The square root of 1159755 is about 1076.9192170260. The cubic root of 1159755 is about 105.0643596357.

It can be divided in two parts, 115 and 9755, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 1159755 in words is "one million, one hundred fifty-nine thousand, seven hundred fifty-five".