1161236 has 12 divisors (see below), whose sum is σ = 2151828. Its totient is φ = 546432.

The previous prime is 1161233. The next prime is 1161239. The reversal of 1161236 is 6321611.

It is an interprime number because it is at equal distance from previous prime (1161233) and next prime (1161239).

It can be written as a sum of positive squares in 2 ways, for example, as 712336 + 448900 = 844^2 + 670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8471 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (179319).

2^1161236 is an apocalyptic number.

It is an amenable number.

1161236 is a deficient number, since it is larger than the sum of its proper divisors (990592).

1161236 is a wasteful number, since it uses less digits than its factorization.

1161236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098 (or 17096 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1161236 is about 1077.6066072552. The cubic root of 1161236 is about 105.1090627929.

Adding to 1161236 its reverse (6321611), we get a palindrome (7482847).

The spelling of 1161236 in words is "one million, one hundred sixty-one thousand, two hundred thirty-six".