875121112 has 16 divisors (see below), whose sum is σ = 1712193840. Its totient is φ = 418536096.

The previous prime is 875121109. The next prime is 875121113. The reversal of 875121112 is 211121578.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875121113) 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, 2377863 + ... + 2378230.

It is an arithmetic number, because the mean of its divisors is an integer number (107012115).

Almost surely, 2^875121112 is an apocalyptic number.

It is an amenable number.

875121112 is a deficient number, since it is larger than the sum of its proper divisors (837072728).

875121112 is a wasteful number, since it uses less digits than its factorization.

875121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756122 (or 4756118 counting only the distinct ones).

The product of its digits is 1120, while the sum is 28.

The square root of 875121112 is about 29582.4460111060. The cubic root of 875121112 is about 956.5097186687.

The spelling of 875121112 in words is "eight hundred seventy-five million, one hundred twenty-one thousand, one hundred twelve".