116065421 has 2 divisors, whose sum is σ = 116065422. Its totient is φ = 116065420.

The previous prime is 116065399. The next prime is 116065451. The reversal of 116065421 is 124560611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81090025 + 34975396 = 9005^2 + 5914^2 .

It is a cyclic number.

It is not a de Polignac number, because 116065421 - 2²² = 111871117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116065451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58032710 + 58032711.

It is an arithmetic number, because the mean of its divisors is an integer number (58032711).

Almost surely, 2^116065421 is an apocalyptic number.

It is an amenable number.

116065421 is a deficient number, since it is larger than the sum of its proper divisors (1).

116065421 is an equidigital number, since it uses as much as digits as its factorization.

116065421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 116065421 is about 10773.3662798589. The cubic root of 116065421 is about 487.7915622532.

The spelling of 116065421 in words is "one hundred sixteen million, sixty-five thousand, four hundred twenty-one".