1159975 has 6 divisors (see below), whose sum is σ = 1438400. Its totient is φ = 927960.

The previous prime is 1159973. The next prime is 1159981. The reversal of 1159975 is 5799511.

It is a happy number.

It is not a de Polignac number, because 1159975 - 2¹ = 1159973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23175 + ... + 23224.

2^1159975 is an apocalyptic number.

1159975 is a deficient number, since it is larger than the sum of its proper divisors (278425).

1159975 is an equidigital number, since it uses as much as digits as its factorization.

1159975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46409 (or 46404 counting only the distinct ones).

The product of its digits is 14175, while the sum is 37.

The square root of 1159975 is about 1077.0213554057. The cubic root of 1159975 is about 105.0710026186.

The spelling of 1159975 in words is "one million, one hundred fifty-nine thousand, nine hundred seventy-five".