1172681117 has 8 divisors (see below), whose sum is σ = 1183823424. Its totient is φ = 1161552448.

The previous prime is 1172681099. The next prime is 1172681123. The reversal of 1172681117 is 7111862711.

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 1172681117 - 2⁶ = 1172681053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172681137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271658 + ... + 275940.

It is an arithmetic number, because the mean of its divisors is an integer number (147977928).

Almost surely, 2^1172681117 is an apocalyptic number.

It is an amenable number.

1172681117 is a deficient number, since it is larger than the sum of its proper divisors (11142307).

1172681117 is a wasteful number, since it uses less digits than its factorization.

1172681117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819.

The product of its digits is 4704, while the sum is 35.

The square root of 1172681117 is about 34244.4319123562. The cubic root of 1172681117 is about 1054.5325203632.

The spelling of 1172681117 in words is "one billion, one hundred seventy-two million, six hundred eighty-one thousand, one hundred seventeen".