117051620 has 48 divisors (see below), whose sum is σ = 286917120. Its totient is φ = 39275904.

The previous prime is 117051593. The next prime is 117051637. The reversal of 117051620 is 26150711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2315 + ... + 15474.

It is an arithmetic number, because the mean of its divisors is an integer number (5977440).

Almost surely, 2^117051620 is an apocalyptic number.

117051620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117051620 is an abundant number, since it is smaller than the sum of its proper divisors (169865500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117051620 is a wasteful number, since it uses less digits than its factorization.

117051620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17852 (or 17850 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 117051620 is about 10819.0396986054. The cubic root of 117051620 is about 489.1692434310.

Subtracting from 117051620 its reverse (26150711), we obtain a palindrome (90900909).

The spelling of 117051620 in words is "one hundred seventeen million, fifty-one thousand, six hundred twenty".