117214021 has 8 divisors (see below), whose sum is σ = 125226080. Its totient is φ = 109386288.

The previous prime is 117213991. The next prime is 117214037. The reversal of 117214021 is 120412711.

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 117214021 - 2⁵ = 117213989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117214021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117214091) 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, 44766 + ... + 47311.

It is an arithmetic number, because the mean of its divisors is an integer number (15653260).

Almost surely, 2^117214021 is an apocalyptic number.

It is an amenable number.

117214021 is a deficient number, since it is larger than the sum of its proper divisors (8012059).

117214021 is an equidigital number, since it uses as much as digits as its factorization.

117214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92163.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 117214021 is about 10826.5424305269. The cubic root of 117214021 is about 489.3953683455.

Adding to 117214021 its reverse (120412711), we get a palindrome (237626732).

The spelling of 117214021 in words is "one hundred seventeen million, two hundred fourteen thousand, twenty-one".