1167873121 has 8 divisors (see below), whose sum is σ = 1189320704. Its totient is φ = 1146499920.

The previous prime is 1167873101. The next prime is 1167873169. The reversal of 1167873121 is 1213787611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1167873121 - 2¹¹ = 1167871073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167873101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13600 + ... + 50206.

It is an arithmetic number, because the mean of its divisors is an integer number (148665088).

Almost surely, 2^1167873121 is an apocalyptic number.

It is an amenable number.

1167873121 is a deficient number, since it is larger than the sum of its proper divisors (21447583).

1167873121 is an equidigital number, since it uses as much as digits as its factorization.

1167873121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37191.

The product of its digits is 14112, while the sum is 37.

The square root of 1167873121 is about 34174.1586728920. The cubic root of 1167873121 is about 1053.0893507596.

The spelling of 1167873121 in words is "one billion, one hundred sixty-seven million, eight hundred seventy-three thousand, one hundred twenty-one".