1164138 has 16 divisors (see below), whose sum is σ = 2340576. Its totient is φ = 386000.

The previous prime is 1164101. The next prime is 1164173. The reversal of 1164138 is 8314611.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (146286).

2^1164138 is an apocalyptic number.

1164138 is an abundant number, since it is smaller than the sum of its proper divisors (1176438).

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

1164138 is a wasteful number, since it uses less digits than its factorization.

1164138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its digits is 576, while the sum is 24.

The square root of 1164138 is about 1078.9522695652. The cubic root of 1164138 is about 105.1965479550.

Adding to 1164138 its reverse (8314611), we get a palindrome (9478749).

The spelling of 1164138 in words is "one million, one hundred sixty-four thousand, one hundred thirty-eight".