1172115167 has 8 divisors (see below), whose sum is σ = 1295022816. Its totient is φ = 1055203072.

The previous prime is 1172115163. The next prime is 1172115211. The reversal of 1172115167 is 7615112711.

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 1172115167 - 2² = 1172115163 is a prime.

It is a super-2 number, since 2×1172115167² = 2747707929422875778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172115163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498478 + ... + 1499259.

It is an arithmetic number, because the mean of its divisors is an integer number (161877852).

Almost surely, 2^1172115167 is an apocalyptic number.

1172115167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1172115167 is a deficient number, since it is larger than the sum of its proper divisors (122907649).

1172115167 is a wasteful number, since it uses less digits than its factorization.

1172115167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997777.

The product of its digits is 2940, while the sum is 32.

The square root of 1172115167 is about 34236.1675279229. The cubic root of 1172115167 is about 1054.3628497095.

Adding to 1172115167 its reverse (7615112711), we get a palindrome (8787227878).

The spelling of 1172115167 in words is "one billion, one hundred seventy-two million, one hundred fifteen thousand, one hundred sixty-seven".