117251506 has 16 divisors (see below), whose sum is σ = 178106688. Its totient is φ = 57886000.

The previous prime is 117251503. The next prime is 117251531. The reversal of 117251506 is 605152711.

It is not an unprimeable number, because it can be changed into a prime (117251501) 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, 113211 + ... + 114241.

It is an arithmetic number, because the mean of its divisors is an integer number (11131668).

Almost surely, 2^117251506 is an apocalyptic number.

117251506 is a deficient number, since it is larger than the sum of its proper divisors (60855182).

117251506 is a wasteful number, since it uses less digits than its factorization.

117251506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 117251506 is about 10828.2734542493. The cubic root of 117251506 is about 489.4475322704.

It can be divided in two parts, 11725 and 1506, that added together give a palindrome (13231).

The spelling of 117251506 in words is "one hundred seventeen million, two hundred fifty-one thousand, five hundred six".