17120240 has 20 divisors (see below), whose sum is σ = 39804744. Its totient is φ = 6848064.

The previous prime is 17120227. The next prime is 17120251. The reversal of 17120240 is 4202171.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106922 + ... + 107081.

Almost surely, 2^17120240 is an apocalyptic number.

17120240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17120240 is an abundant number, since it is smaller than the sum of its proper divisors (22684504).

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

17120240 is a wasteful number, since it uses less digits than its factorization.

17120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214016 (or 214010 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 17120240 is about 4137.6611751085. The cubic root of 17120240 is about 257.7329528568.

The spelling of 17120240 in words is "seventeen million, one hundred twenty thousand, two hundred forty".