1159955 has 8 divisors (see below), whose sum is σ = 1402800. Its totient is φ = 920736.

The previous prime is 1159919. The next prime is 1159967. The reversal of 1159955 is 5599511.

It is a happy number.

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

It is not a de Polignac number, because 1159955 - 2¹² = 1155859 is a prime.

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, 140 + ... + 1529.

It is an arithmetic number, because the mean of its divisors is an integer number (175350).

2^1159955 is an apocalyptic number.

1159955 is a deficient number, since it is larger than the sum of its proper divisors (242845).

1159955 is a wasteful number, since it uses less digits than its factorization.

1159955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

The product of its digits is 10125, while the sum is 35.

The square root of 1159955 is about 1077.0120704987. The cubic root of 1159955 is about 105.0703987458.

It can be divided in two parts, 115995 and 5, that multiplied together give a palindrome (579975).

The spelling of 1159955 in words is "one million, one hundred fifty-nine thousand, nine hundred fifty-five".