7123135204 has 12 divisors (see below), whose sum is σ = 12479642028. Its totient is φ = 3557523200.

The previous prime is 7123135189. The next prime is 7123135211. The reversal of 7123135204 is 4025313217.

It can be written as a sum of positive squares in 2 ways, for example, as 458045604 + 6665089600 = 21402^2 + 81640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007137 + ... + 1014184.

It is an arithmetic number, because the mean of its divisors is an integer number (1039970169).

Almost surely, 2^7123135204 is an apocalyptic number.

It is an amenable number.

7123135204 is a deficient number, since it is larger than the sum of its proper divisors (5356506824).

7123135204 is a wasteful number, since it uses less digits than its factorization.

7123135204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022206 (or 2022204 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 7123135204 is about 84398.6682596355. The cubic root of 7123135204 is about 1924.0826756802.

The spelling of 7123135204 in words is "seven billion, one hundred twenty-three million, one hundred thirty-five thousand, two hundred four".