117015040 has 80 divisors (see below), whose sum is σ = 287356608. Its totient is φ = 45674496.

The previous prime is 117014999. The next prime is 117015047. The reversal of 117015040 is 40510711.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 117014999 and 117015017.

It is not an unprimeable number, because it can be changed into a prime (117015047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109549 + ... + 110611.

Almost surely, 2^117015040 is an apocalyptic number.

117015040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117015040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143678304).

117015040 is an abundant number, since it is smaller than the sum of its proper divisors (170341568).

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

117015040 is an equidigital number, since it uses as much as digits as its factorization.

117015040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 117015040 is about 10817.3490282971. The cubic root of 117015040 is about 489.1182810856.

Adding to 117015040 its reverse (40510711), we get a palindrome (157525751).

The spelling of 117015040 in words is "one hundred seventeen million, fifteen thousand, forty".