117205630 has 16 divisors (see below), whose sum is σ = 211328640. Its totient is φ = 46802592.

The previous prime is 117205609. The next prime is 117205651. The reversal of 117205630 is 36502711.

It is an interprime number because it is at equal distance from previous prime (117205609) and next prime (117205651).

It is a junction number, because it is equal to n+sod(n) for n = 117205595 and 117205604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3585 + ... + 15724.

It is an arithmetic number, because the mean of its divisors is an integer number (13208040).

Almost surely, 2^117205630 is an apocalyptic number.

117205630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117205630 is a deficient number, since it is larger than the sum of its proper divisors (94123010).

117205630 is a wasteful number, since it uses less digits than its factorization.

117205630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19923.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 117205630 is about 10826.1549037505. The cubic root of 117205630 is about 489.3836899516.

The spelling of 117205630 in words is "one hundred seventeen million, two hundred five thousand, six hundred thirty".