117215061 has 16 divisors (see below), whose sum is σ = 168345600. Its totient is φ = 72333360.

The previous prime is 117215053. The next prime is 117215069. The reversal of 117215061 is 160512711.

It is an interprime number because it is at equal distance from previous prime (117215053) and next prime (117215069).

It is not a de Polignac number, because 117215061 - 2³ = 117215053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117215069) 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 15 ways as a sum of consecutive naturals, for example, 25261 + ... + 29538.

It is an arithmetic number, because the mean of its divisors is an integer number (10521600).

Almost surely, 2^117215061 is an apocalyptic number.

It is an amenable number.

117215061 is a deficient number, since it is larger than the sum of its proper divisors (51130539).

117215061 is a wasteful number, since it uses less digits than its factorization.

117215061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54856.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 117215061 is about 10826.5904605282. The cubic root of 117215061 is about 489.3968157539.

Adding to 117215061 its reverse (160512711), we get a palindrome (277727772).

The spelling of 117215061 in words is "one hundred seventeen million, two hundred fifteen thousand, sixty-one".