1161268 has 6 divisors (see below), whose sum is σ = 2032226. Its totient is φ = 580632.

The previous prime is 1161263. The next prime is 1161269. The reversal of 1161268 is 8621611.

It can be written as a sum of positive squares in only one way, i.e., 736164 + 425104 = 858^2 + 652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145155 + ... + 145162.

2^1161268 is an apocalyptic number.

It is an amenable number.

1161268 is a deficient number, since it is larger than the sum of its proper divisors (870958).

1161268 is a wasteful number, since it uses less digits than its factorization.

1161268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290321 (or 290319 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 1161268 is about 1077.6214548718. The cubic root of 1161268 is about 105.1100282754.

Adding to 1161268 its reverse (8621611), we get a palindrome (9782879).

The spelling of 1161268 in words is "one million, one hundred sixty-one thousand, two hundred sixty-eight".