7122065 has 16 divisors (see below), whose sum is σ = 9445248. Its totient is φ = 5127936.

The previous prime is 7122061. The next prime is 7122079. The reversal of 7122065 is 5602217.

It is a cyclic number.

It is not a de Polignac number, because 7122065 - 2² = 7122061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 7122065.

It is not an unprimeable number, because it can be changed into a prime (7122061) 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, 134 + ... + 3776.

It is an arithmetic number, because the mean of its divisors is an integer number (590328).

Almost surely, 2^7122065 is an apocalyptic number.

It is an amenable number.

7122065 is a deficient number, since it is larger than the sum of its proper divisors (2323183).

7122065 is a wasteful number, since it uses less digits than its factorization.

7122065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7122065 is about 2668.7197305075. The cubic root of 7122065 is about 192.3986310618.

The spelling of 7122065 in words is "seven million, one hundred twenty-two thousand, sixty-five".