1161588 has 12 divisors (see below), whose sum is σ = 2710400. Its totient is φ = 387192.

The previous prime is 1161581. The next prime is 1161599. The reversal of 1161588 is 8851611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161581) 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 3 ways as a sum of consecutive naturals, for example, 48388 + ... + 48411.

2^1161588 is an apocalyptic number.

It is an amenable number.

1161588 is an abundant number, since it is smaller than the sum of its proper divisors (1548812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161588 is a wasteful number, since it uses less digits than its factorization.

1161588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96806 (or 96804 counting only the distinct ones).

The product of its digits is 1920, while the sum is 30.

The square root of 1161588 is about 1077.7699197881. The cubic root of 1161588 is about 105.1196821250.

The spelling of 1161588 in words is "one million, one hundred sixty-one thousand, five hundred eighty-eight".