108821701 has 2 divisors, whose sum is σ = 108821702. Its totient is φ = 108821700.

The previous prime is 108821693. The next prime is 108821723. The reversal of 108821701 is 107128801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62568100 + 46253601 = 7910^2 + 6801^2 .

It is a cyclic number.

It is not a de Polignac number, because 108821701 - 2³ = 108821693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108821701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108821761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54410850 + 54410851.

It is an arithmetic number, because the mean of its divisors is an integer number (54410851).

Almost surely, 2^108821701 is an apocalyptic number.

It is an amenable number.

108821701 is a deficient number, since it is larger than the sum of its proper divisors (1).

108821701 is an equidigital number, since it uses as much as digits as its factorization.

108821701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 108821701 is about 10431.7640406597. The cubic root of 108821701 is about 477.4250145858.

The spelling of 108821701 in words is "one hundred eight million, eight hundred twenty-one thousand, seven hundred one".