7123104 has 36 divisors (see below), whose sum is σ = 20257146. Its totient is φ = 2374272.

The previous prime is 7123099. The next prime is 7123117. The reversal of 7123104 is 4013217.

It can be written as a sum of positive squares in only one way, i.e., 7033104 + 90000 = 2652^2 + 300^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7123104² = 101477221189632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12079 + ... + 12654.

Almost surely, 2^7123104 is an apocalyptic number.

It is an amenable number.

7123104 is an abundant number, since it is smaller than the sum of its proper divisors (13134042).

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

7123104 is a wasteful number, since it uses less digits than its factorization.

7123104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24749 (or 24738 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7123104 is about 2668.9143860379. The cubic root of 7123104 is about 192.4079866095.

It can be divided in two parts, 7123 and 104, that added together give a palindrome (7227).

The spelling of 7123104 in words is "seven million, one hundred twenty-three thousand, one hundred four".