93191121 has 32 divisors (see below), whose sum is σ = 141315840. Its totient is φ = 60681600.

The previous prime is 93191117. The next prime is 93191201. The reversal of 93191121 is 12119139.

It is not a de Polignac number, because 93191121 - 2² = 93191117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (93191221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331501 + ... + 331781.

It is an arithmetic number, because the mean of its divisors is an integer number (4416120).

Almost surely, 2^93191121 is an apocalyptic number.

It is an amenable number.

93191121 is a deficient number, since it is larger than the sum of its proper divisors (48124719).

93191121 is a wasteful number, since it uses less digits than its factorization.

93191121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 528 counting only the distinct ones).

The product of its digits is 486, while the sum is 27.

The square root of 93191121 is about 9653.5548374679. The cubic root of 93191121 is about 453.3756368515.

It can be divided in two parts, 9319 and 1121, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 93191121 in words is "ninety-three million, one hundred ninety-one thousand, one hundred twenty-one".