10875121 has 4 divisors (see below), whose sum is σ = 11514852. Its totient is φ = 10235392.

The previous prime is 10875119. The next prime is 10875131. The reversal of 10875121 is 12157801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9090225 + 1784896 = 3015^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 10875121 - 2¹ = 10875119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10875131) 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, 319840 + ... + 319873.

It is an arithmetic number, because the mean of its divisors is an integer number (2878713).

Almost surely, 2^10875121 is an apocalyptic number.

It is an amenable number.

10875121 is a deficient number, since it is larger than the sum of its proper divisors (639731).

10875121 is an equidigital number, since it uses as much as digits as its factorization.

10875121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639730.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 10875121 is about 3297.7448354899. The cubic root of 10875121 is about 221.5532027778.

The spelling of 10875121 in words is "ten million, eight hundred seventy-five thousand, one hundred twenty-one".