117621150 has 48 divisors (see below), whose sum is σ = 299598384. Its totient is φ = 30516480.

The previous prime is 117621121. The next prime is 117621157. The reversal of 117621150 is 51126711.

It is a self number, because there is not a number n which added to its sum of digits gives 117621150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117621157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5047 + ... + 16146.

It is an arithmetic number, because the mean of its divisors is an integer number (6241633).

Almost surely, 2^117621150 is an apocalyptic number.

117621150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117621150 is an abundant number, since it is smaller than the sum of its proper divisors (181977234).

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

117621150 is a wasteful number, since it uses less digits than its factorization.

117621150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21245 (or 21240 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 117621150 is about 10845.3284874180. The cubic root of 117621150 is about 489.9613325033.

Adding to 117621150 its reverse (51126711), we get a palindrome (168747861).

The spelling of 117621150 in words is "one hundred seventeen million, six hundred twenty-one thousand, one hundred fifty".