117103251 has 8 divisors (see below), whose sum is σ = 164355520. Its totient is φ = 73959912.

The previous prime is 117103249. The next prime is 117103253. The reversal of 117103251 is 152301711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117103249) and next prime (117103253).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117103251 - 2¹ = 117103249 is a prime.

It is a super-3 number, since 3×117103251³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117103253) 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, 1027165 + ... + 1027278.

It is an arithmetic number, because the mean of its divisors is an integer number (20544440).

Almost surely, 2^117103251 is an apocalyptic number.

117103251 is a deficient number, since it is larger than the sum of its proper divisors (47252269).

117103251 is a wasteful number, since it uses less digits than its factorization.

117103251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054465.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 117103251 is about 10821.4255530406. The cubic root of 117103251 is about 489.2411563888.

Adding to 117103251 its reverse (152301711), we get a palindrome (269404962).

The spelling of 117103251 in words is "one hundred seventeen million, one hundred three thousand, two hundred fifty-one".