101765641 has 2 divisors, whose sum is σ = 101765642. Its totient is φ = 101765640.

The previous prime is 101765623. The next prime is 101765683. The reversal of 101765641 is 146567101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77951241 + 23814400 = 8829^2 + 4880^2 .

It is a cyclic number.

It is not a de Polignac number, because 101765641 - 2⁹ = 101765129 is a prime.

It is not a weakly prime, because it can be changed into another prime (101765441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50882820 + 50882821.

It is an arithmetic number, because the mean of its divisors is an integer number (50882821).

Almost surely, 2^101765641 is an apocalyptic number.

It is an amenable number.

101765641 is a deficient number, since it is larger than the sum of its proper divisors (1).

101765641 is an equidigital number, since it uses as much as digits as its factorization.

101765641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 101765641 is about 10087.8957667097. The cubic root of 101765641 is about 466.8747545349.

The spelling of 101765641 in words is "one hundred one million, seven hundred sixty-five thousand, six hundred forty-one".