117248851 has 8 divisors (see below), whose sum is σ = 121664384. Its totient is φ = 112872960.

The previous prime is 117248849. The next prime is 117248869. The reversal of 117248851 is 158842711.

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 117248851 - 2¹ = 117248849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117248851.

It is not an unprimeable number, because it can be changed into a prime (117248801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816 + ... + 15781.

It is an arithmetic number, because the mean of its divisors is an integer number (15208048).

Almost surely, 2^117248851 is an apocalyptic number.

117248851 is a deficient number, since it is larger than the sum of its proper divisors (4415533).

117248851 is a wasteful number, since it uses less digits than its factorization.

117248851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19821.

The product of its digits is 17920, while the sum is 37.

The square root of 117248851 is about 10828.1508578335. The cubic root of 117248851 is about 489.4438379525.

The spelling of 117248851 in words is "one hundred seventeen million, two hundred forty-eight thousand, eight hundred fifty-one".