1172620869317 has 8 divisors (see below), whose sum is σ = 1184259749400. Its totient is φ = 1160982553600.

The previous prime is 1172620869313. The next prime is 1172620869319. The reversal of 1172620869317 is 7139680262711.

It can be written as a sum of positive squares in 4 ways, for example, as 246347439556 + 926273429761 = 496334^2 + 962431^2 .

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 1172620869317 - 2² = 1172620869313 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 (1172620869313) 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, 4937309 + ... + 5169357.

It is an arithmetic number, because the mean of its divisors is an integer number (148032468675).

Almost surely, 2^{1172620869317} is an apocalyptic number.

It is an amenable number.

1172620869317 is a deficient number, since it is larger than the sum of its proper divisors (11638880083).

1172620869317 is a wasteful number, since it uses less digits than its factorization.

1172620869317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282183.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 1172620869317 in words is "one trillion, one hundred seventy-two billion, six hundred twenty million, eight hundred sixty-nine thousand, three hundred seventeen".