1161238 has 16 divisors (see below), whose sum is σ = 1910160. Its totient is φ = 526176.

The previous prime is 1161233. The next prime is 1161239. The reversal of 1161238 is 8321611.

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (119385).

2^1161238 is an apocalyptic number.

1161238 is a deficient number, since it is larger than the sum of its proper divisors (748922).

1161238 is a wasteful number, since it uses less digits than its factorization.

1161238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its digits is 288, while the sum is 22.

The square root of 1161238 is about 1077.6075352372. The cubic root of 1161238 is about 105.1091231361.

Adding to 1161238 its reverse (8321611), we get a palindrome (9482849).

The spelling of 1161238 in words is "one million, one hundred sixty-one thousand, two hundred thirty-eight".