7125888 has 128 divisors (see below), whose sum is σ = 23696640. Its totient is φ = 1843200.

The previous prime is 7125887. The next prime is 7125889. The reversal of 7125888 is 8885217.

It is an interprime number because it is at equal distance from previous prime (7125887) and next prime (7125889).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29448 + ... + 29688.

It is an arithmetic number, because the mean of its divisors is an integer number (185130).

Almost surely, 2^7125888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11848320).

7125888 is an abundant number, since it is smaller than the sum of its proper divisors (16570752).

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

7125888 is a wasteful number, since it uses less digits than its factorization.

7125888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 264 counting only the distinct ones).

The product of its digits is 35840, while the sum is 39.

The square root of 7125888 is about 2669.4358954656. The cubic root of 7125888 is about 192.4330503113.

The spelling of 7125888 in words is "seven million, one hundred twenty-five thousand, eight hundred eighty-eight".