116421959 has 2 divisors, whose sum is σ = 116421960. Its totient is φ = 116421958.

The previous prime is 116421931. The next prime is 116421971. The reversal of 116421959 is 959124611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116421959 - 2⁸ = 116421703 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 (116421059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58210979 + 58210980.

It is an arithmetic number, because the mean of its divisors is an integer number (58210980).

Almost surely, 2^116421959 is an apocalyptic number.

116421959 is a deficient number, since it is larger than the sum of its proper divisors (1).

116421959 is an equidigital number, since it uses as much as digits as its factorization.

116421959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The square root of 116421959 is about 10789.9007873103. The cubic root of 116421959 is about 488.2905292642.

The spelling of 116421959 in words is "one hundred sixteen million, four hundred twenty-one thousand, nine hundred fifty-nine".