117621064 has 16 divisors (see below), whose sum is σ = 240588720. Its totient is φ = 53464080.

The previous prime is 117621061. The next prime is 117621067. The reversal of 117621064 is 460126711.

It is an interprime number because it is at equal distance from previous prime (117621061) and next prime (117621067).

It is not an unprimeable number, because it can be changed into a prime (117621061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668214 + ... + 668389.

It is an arithmetic number, because the mean of its divisors is an integer number (15036795).

Almost surely, 2^117621064 is an apocalyptic number.

It is an amenable number.

117621064 is an abundant number, since it is smaller than the sum of its proper divisors (122967656).

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

117621064 is a wasteful number, since it uses less digits than its factorization.

117621064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336620 (or 1336616 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 117621064 is about 10845.3245225765. The cubic root of 117621064 is about 489.9612130898.

Adding to 117621064 its reverse (460126711), we get a palindrome (577747775).

The spelling of 117621064 in words is "one hundred seventeen million, six hundred twenty-one thousand, sixty-four".