7129088 has 36 divisors (see below), whose sum is σ = 14500395. Its totient is φ = 3504128.

The previous prime is 7129081. The next prime is 7129091. The reversal of 7129088 is 8809217.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 3564544 + 3564544 = 1888^2 + 1888^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1888.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7129081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 120803 + ... + 120861.

Almost surely, 2^7129088 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 7129088

7129088 is an abundant number, since it is smaller than the sum of its proper divisors (7371307).

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

7129088 is an frugal number, since it uses more digits than its factorization.

7129088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 7129088 is about 2670.0352057604. The cubic root of 7129088 is about 192.4618511011.

The spelling of 7129088 in words is "seven million, one hundred twenty-nine thousand, eighty-eight".