117010021 has 8 divisors (see below), whose sum is σ = 121821464. Its totient is φ = 112285440.

The previous prime is 117010013. The next prime is 117010043. The reversal of 117010021 is 120010711.

It can be written as a sum of positive squares in 4 ways, for example, as 68707521 + 48302500 = 8289^2 + 6950^2 .

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 117010021 - 2³ = 117010013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117009983 and 117010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117010001) 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, 18960 + ... + 24361.

It is an arithmetic number, because the mean of its divisors is an integer number (15227683).

Almost surely, 2^117010021 is an apocalyptic number.

It is an amenable number.

117010021 is a deficient number, since it is larger than the sum of its proper divisors (4811443).

117010021 is an equidigital number, since it uses as much as digits as its factorization.

117010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43431.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 117010021 is about 10817.1170373626. The cubic root of 117010021 is about 489.1112879112. Note that the first 3 decimals are identical.

Adding to 117010021 its reverse (120010711), we get a palindrome (237020732).

The spelling of 117010021 in words is "one hundred seventeen million, ten thousand, twenty-one".