83019121 has 8 divisors (see below), whose sum is σ = 87015744. Its totient is φ = 79054800.

The previous prime is 83019119. The next prime is 83019127. The reversal of 83019121 is 12191038.

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 83019121 - 2¹ = 83019119 is a prime.

It is a super-2 number, since 2×83019121² = 13784348903225282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83019127) 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, 2730 + ... + 13171.

It is an arithmetic number, because the mean of its divisors is an integer number (10876968).

Almost surely, 2^83019121 is an apocalyptic number.

It is an amenable number.

83019121 is a deficient number, since it is larger than the sum of its proper divisors (3996623).

83019121 is a wasteful number, since it uses less digits than its factorization.

83019121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 83019121 is about 9111.4829199203. The cubic root of 83019121 is about 436.2405614223.

The spelling of 83019121 in words is "eighty-three million, nineteen thousand, one hundred twenty-one".