93871121 has 4 divisors (see below), whose sum is σ = 93898752. Its totient is φ = 93843492.

The previous prime is 93871111. The next prime is 93871123. The reversal of 93871121 is 12117839.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12117839 = 19 ⋅637781.

It is a cyclic number.

It is not a de Polignac number, because 93871121 - 2¹⁰ = 93870097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93871123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7865 + ... + 15798.

It is an arithmetic number, because the mean of its divisors is an integer number (23474688).

Almost surely, 2^93871121 is an apocalyptic number.

It is an amenable number.

93871121 is a deficient number, since it is larger than the sum of its proper divisors (27631).

93871121 is a wasteful number, since it uses less digits than its factorization.

93871121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27630.

The product of its digits is 3024, while the sum is 32.

The square root of 93871121 is about 9688.7110081785. The cubic root of 93871121 is about 454.4757008733.

The spelling of 93871121 in words is "ninety-three million, eight hundred seventy-one thousand, one hundred twenty-one".