117302428 has 24 divisors (see below), whose sum is σ = 216782720. Its totient is φ = 55384560.

The previous prime is 117302417. The next prime is 117302429. The reversal of 117302428 is 824203711.

It is a super-2 number, since 2×117302428² = 27519719229390368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117302396 and 117302405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117302429) 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, 22825 + ... + 27487.

Almost surely, 2^117302428 is an apocalyptic number.

It is an amenable number.

117302428 is a deficient number, since it is larger than the sum of its proper divisors (99480292).

117302428 is a wasteful number, since it uses less digits than its factorization.

117302428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017 (or 5015 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 117302428 is about 10830.6245433955. The cubic root of 117302428 is about 489.5183772453.

The spelling of 117302428 in words is "one hundred seventeen million, three hundred two thousand, four hundred twenty-eight".