240128125 has 24 divisors (see below), whose sum is σ = 307292832. Its totient is φ = 187530000.

The previous prime is 240128117. The next prime is 240128129. The reversal of 240128125 is 521821042.

It is not a de Polignac number, because 240128125 - 2³ = 240128117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240128125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240128129) 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, 133482 + ... + 135268.

It is an arithmetic number, because the mean of its divisors is an integer number (12803868).

Almost surely, 2^240128125 is an apocalyptic number.

240128125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240128125 is a deficient number, since it is larger than the sum of its proper divisors (67164707).

240128125 is an frugal number, since it uses more digits than its factorization.

240128125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 240128125 is about 15496.0680496699. The cubic root of 240128125 is about 621.5570687855.

Adding to 240128125 its reverse (521821042), we get a palindrome (761949167).

The spelling of 240128125 in words is "two hundred forty million, one hundred twenty-eight thousand, one hundred twenty-five".