117304421 has 16 divisors (see below), whose sum is σ = 128520000. Its totient is φ = 107054064.

The previous prime is 117304409. The next prime is 117304427. The reversal of 117304421 is 124403711.

It is a happy number.

It is not a de Polignac number, because 117304421 - 2¹⁴ = 117288037 is a prime.

It is a super-2 number, since 2×117304421² = 27520654372290482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117304427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234830 + ... + 235328.

It is an arithmetic number, because the mean of its divisors is an integer number (8032500).

Almost surely, 2^117304421 is an apocalyptic number.

It is an amenable number.

117304421 is a deficient number, since it is larger than the sum of its proper divisors (11215579).

117304421 is an equidigital number, since it uses as much as digits as its factorization.

117304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 117304421 is about 10830.7165506258. The cubic root of 117304421 is about 489.5211495795.

The spelling of 117304421 in words is "one hundred seventeen million, three hundred four thousand, four hundred twenty-one".