108621059 has 2 divisors, whose sum is σ = 108621060. Its totient is φ = 108621058.

The previous prime is 108621049. The next prime is 108621067. The reversal of 108621059 is 950126801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108621059 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108621049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54310529 + 54310530.

It is an arithmetic number, because the mean of its divisors is an integer number (54310530).

Almost surely, 2^108621059 is an apocalyptic number.

108621059 is a deficient number, since it is larger than the sum of its proper divisors (1).

108621059 is an equidigital number, since it uses as much as digits as its factorization.

108621059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 108621059 is about 10422.1427259465. The cubic root of 108621059 is about 477.1314137026.

The spelling of 108621059 in words is "one hundred eight million, six hundred twenty-one thousand, fifty-nine".