117226921 has 8 divisors (see below), whose sum is σ = 134723520. Its totient is φ = 99917808.

The previous prime is 117226909. The next prime is 117226931. The reversal of 117226921 is 129622711.

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 117226921 - 2¹⁹ = 116702633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117226931) 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, 45526 + ... + 48031.

It is an arithmetic number, because the mean of its divisors is an integer number (16840440).

Almost surely, 2^117226921 is an apocalyptic number.

It is an amenable number.

117226921 is a deficient number, since it is larger than the sum of its proper divisors (17496599).

117226921 is an equidigital number, since it uses as much as digits as its factorization.

117226921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93743.

The product of its digits is 3024, while the sum is 31.

The square root of 117226921 is about 10827.1381722041. The cubic root of 117226921 is about 489.4133211712.

The spelling of 117226921 in words is "one hundred seventeen million, two hundred twenty-six thousand, nine hundred twenty-one".