1167121116 has 48 divisors (see below), whose sum is σ = 3458138880. Its totient is φ = 333462960.

The previous prime is 1167121073. The next prime is 1167121133. The reversal of 1167121116 is 6111217611.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1167121116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771150 + ... + 772661.

It is an arithmetic number, because the mean of its divisors is an integer number (72044560).

Almost surely, 2^1167121116 is an apocalyptic number.

It is an amenable number.

1167121116 is an abundant number, since it is smaller than the sum of its proper divisors (2291017764).

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

1167121116 is a wasteful number, since it uses less digits than its factorization.

1167121116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543831 (or 1543823 counting only the distinct ones).

The product of its digits is 504, while the sum is 27.

The square root of 1167121116 is about 34163.1543625585. The cubic root of 1167121116 is about 1052.8632706942.

Adding to 1167121116 its reverse (6111217611), we get a palindrome (7278338727).

The spelling of 1167121116 in words is "one billion, one hundred sixty-seven million, one hundred twenty-one thousand, one hundred sixteen".