83985121 has 8 divisors (see below), whose sum is σ = 95603904. Its totient is φ = 73030320.

The previous prime is 83985101. The next prime is 83985163. The reversal of 83985121 is 12158938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83985121 - 2⁷ = 83984993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83985101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165726 + ... + 166231.

It is an arithmetic number, because the mean of its divisors is an integer number (11950488).

Almost surely, 2^83985121 is an apocalyptic number.

It is an amenable number.

83985121 is a deficient number, since it is larger than the sum of its proper divisors (11618783).

83985121 is a wasteful number, since it uses less digits than its factorization.

83985121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331991.

The product of its digits is 17280, while the sum is 37.

The square root of 83985121 is about 9164.3396379663. The cubic root of 83985121 is about 437.9260541820.

The spelling of 83985121 in words is "eighty-three million, nine hundred eighty-five thousand, one hundred twenty-one".