117273021 has 24 divisors (see below), whose sum is σ = 173354304. Its totient is φ = 70371840.

The previous prime is 117273011. The next prime is 117273041. The reversal of 117273021 is 120372711.

It is not a de Polignac number, because 117273021 - 2⁹ = 117272509 is a prime.

It is a super-2 number, since 2×117273021² = 27505922908932882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117272982 and 117273000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117273001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17001 + ... + 22881.

It is an arithmetic number, because the mean of its divisors is an integer number (7223096).

Almost surely, 2^117273021 is an apocalyptic number.

It is an amenable number.

117273021 is a deficient number, since it is larger than the sum of its proper divisors (56081283).

117273021 is a wasteful number, since it uses less digits than its factorization.

117273021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941 (or 5924 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 117273021 is about 10829.2668726927. The cubic root of 117273021 is about 489.4774674072.

The spelling of 117273021 in words is "one hundred seventeen million, two hundred seventy-three thousand, twenty-one".