875575121 has 4 divisors (see below), whose sum is σ = 875710272. Its totient is φ = 875439972.

The previous prime is 875575069. The next prime is 875575139. The reversal of 875575121 is 121575578.

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-875575121 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 (875574121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57341 + ... + 70986.

It is an arithmetic number, because the mean of its divisors is an integer number (218927568).

Almost surely, 2^875575121 is an apocalyptic number.

It is an amenable number.

875575121 is a deficient number, since it is larger than the sum of its proper divisors (135151).

875575121 is a wasteful number, since it uses less digits than its factorization.

875575121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135150.

The product of its digits is 98000, while the sum is 41.

The square root of 875575121 is about 29590.1186378156. The cubic root of 875575121 is about 956.6751010896.

The spelling of 875575121 in words is "eight hundred seventy-five million, five hundred seventy-five thousand, one hundred twenty-one".