83435121 has 24 divisors (see below), whose sum is σ = 150256704. Its totient is φ = 43342560.

The previous prime is 83435119. The next prime is 83435141. The reversal of 83435121 is 12153438.

It is a happy number.

It is not a de Polignac number, because 83435121 - 2¹ = 83435119 is a prime.

It is a super-2 number, since 2×83435121² = 13922838832569282, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83435141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59506 + ... + 60891.

It is an arithmetic number, because the mean of its divisors is an integer number (6260696).

Almost surely, 2^83435121 is an apocalyptic number.

It is an amenable number.

83435121 is a deficient number, since it is larger than the sum of its proper divisors (66821583).

83435121 is a wasteful number, since it uses less digits than its factorization.

83435121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120421 (or 120418 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 83435121 is about 9134.2827304611. The cubic root of 83435121 is about 436.9679994441.

Adding to 83435121 its reverse (12153438), we get a palindrome (95588559).

The spelling of 83435121 in words is "eighty-three million, four hundred thirty-five thousand, one hundred twenty-one".