7129089 has 24 divisors (see below), whose sum is σ = 11355552. Its totient is φ = 4273920.

The previous prime is 7129081. The next prime is 7129091. The reversal of 7129089 is 9809217.

It is a happy number.

It is not a de Polignac number, because 7129089 - 2³ = 7129081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7129081) 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, 10257 + ... + 10929.

It is an arithmetic number, because the mean of its divisors is an integer number (473148).

Almost surely, 2^7129089 is an apocalyptic number.

It is an amenable number.

7129089 is a deficient number, since it is larger than the sum of its proper divisors (4226463).

7129089 is a wasteful number, since it uses less digits than its factorization.

7129089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 7129089 is about 2670.0353930238. The cubic root of 7129089 is about 192.4618601000.

It can be divided in two parts, 712 and 9089, that added together give a square (9801 = 99²).

The spelling of 7129089 in words is "seven million, one hundred twenty-nine thousand, eighty-nine".