83247121 has 8 divisors (see below), whose sum is σ = 86047488. Its totient is φ = 80454000.

The previous prime is 83247107. The next prime is 83247169. The reversal of 83247121 is 12174238.

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

It is a cyclic number.

It is not a de Polignac number, because 83247121 - 2⁵ = 83247089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83247121.

It is not an unprimeable number, because it can be changed into a prime (83247191) 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, 31626 + ... + 34156.

It is an arithmetic number, because the mean of its divisors is an integer number (10755936).

Almost surely, 2^83247121 is an apocalyptic number.

It is an amenable number.

83247121 is a deficient number, since it is larger than the sum of its proper divisors (2800367).

83247121 is a wasteful number, since it uses less digits than its factorization.

83247121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623.

The product of its digits is 2688, while the sum is 28.

The square root of 83247121 is about 9123.9860258551. The cubic root of 83247121 is about 436.6395535743.

The spelling of 83247121 in words is "eighty-three million, two hundred forty-seven thousand, one hundred twenty-one".