7123601 has 4 divisors (see below), whose sum is σ = 7244400. Its totient is φ = 7002804.

The previous prime is 7123591. The next prime is 7123607. The reversal of 7123601 is 1063217.

It is a happy number.

7123601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7123601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7123607) 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 3 ways as a sum of consecutive naturals, for example, 60311 + ... + 60428.

It is an arithmetic number, because the mean of its divisors is an integer number (1811100).

Almost surely, 2^7123601 is an apocalyptic number.

It is an amenable number.

7123601 is a deficient number, since it is larger than the sum of its proper divisors (120799).

7123601 is a wasteful number, since it uses less digits than its factorization.

7123601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120798.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 7123601 is about 2669.0074934327. The cubic root of 7123601 is about 192.4124614632.

Adding to 7123601 its reverse (1063217), we get a palindrome (8186818).

The spelling of 7123601 in words is "seven million, one hundred twenty-three thousand, six hundred one".