117875381 has 8 divisors (see below), whose sum is σ = 127226904. Its totient is φ = 108564480.

The previous prime is 117875371. The next prime is 117875393. The reversal of 117875381 is 183578711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 348100 + 117527281 = 590^2 + 10841^2 .

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 117875381 - 2²⁶ = 50766517 is a prime.

It is a super-2 number, since 2×117875381² = 27789210891790322, 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 (117875321) 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, 3980 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (15903363).

Almost surely, 2^117875381 is an apocalyptic number.

It is an amenable number.

117875381 is a deficient number, since it is larger than the sum of its proper divisors (9351523).

117875381 is a wasteful number, since it uses less digits than its factorization.

117875381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311.

The product of its digits is 47040, while the sum is 41.

The square root of 117875381 is about 10857.0429215325. The cubic root of 117875381 is about 490.3140857334.

The spelling of 117875381 in words is "one hundred seventeen million, eight hundred seventy-five thousand, three hundred eighty-one".