83121083 has 2 divisors, whose sum is σ = 83121084. Its totient is φ = 83121082.

The previous prime is 83121061. The next prime is 83121113. The reversal of 83121083 is 38012138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83121083 - 2⁶ = 83121019 is a prime.

It is a super-2 number, since 2×83121083² = 13818228878185778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83721083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41560541 + 41560542.

It is an arithmetic number, because the mean of its divisors is an integer number (41560542).

Almost surely, 2^83121083 is an apocalyptic number.

83121083 is a deficient number, since it is larger than the sum of its proper divisors (1).

83121083 is an equidigital number, since it uses as much as digits as its factorization.

83121083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 83121083 is about 9117.0764502663. The cubic root of 83121083 is about 436.4190815924.

The spelling of 83121083 in words is "eighty-three million, one hundred twenty-one thousand, eighty-three".