117018121 has 8 divisors (see below), whose sum is σ = 127749024. Its totient is φ = 106302720.

The previous prime is 117018101. The next prime is 117018133. The reversal of 117018121 is 121810711.

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 117018121 - 2⁹ = 117017609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117018092 and 117018101.

It is not an unprimeable number, because it can be changed into a prime (117018101) 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, 16681 + ... + 22633.

It is an arithmetic number, because the mean of its divisors is an integer number (15968628).

Almost surely, 2^117018121 is an apocalyptic number.

117018121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117018121 is a deficient number, since it is larger than the sum of its proper divisors (10730903).

117018121 is a wasteful number, since it uses less digits than its factorization.

117018121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751.

The product of its (nonzero) digits is 112, while the sum is 22.

The square root of 117018121 is about 10817.4914374822. The cubic root of 117018121 is about 489.1225738677.

Adding to 117018121 its reverse (121810711), we get a palindrome (238828832).

It can be divided in two parts, 1170 and 18121, that added together give a palindrome (19291).

The spelling of 117018121 in words is "one hundred seventeen million, eighteen thousand, one hundred twenty-one".