920127641 has 2 divisors, whose sum is σ = 920127642. Its totient is φ = 920127640.

The previous prime is 920127629. The next prime is 920127667. The reversal of 920127641 is 146721029.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 877877641 + 42250000 = 29629^2 + 6500^2 .

It is a cyclic number.

It is not a de Polignac number, because 920127641 - 2⁶ = 920127577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 920127598 and 920127607.

It is not a weakly prime, because it can be changed into another prime (920127671) 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, 460063820 + 460063821.

It is an arithmetic number, because the mean of its divisors is an integer number (460063821).

Almost surely, 2^920127641 is an apocalyptic number.

It is an amenable number.

920127641 is a deficient number, since it is larger than the sum of its proper divisors (1).

920127641 is an equidigital number, since it uses as much as digits as its factorization.

920127641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 920127641 is about 30333.6058028056. The cubic root of 920127641 is about 972.6338032006.

The spelling of 920127641 in words is "nine hundred twenty million, one hundred twenty-seven thousand, six hundred forty-one".