101077643 has 2 divisors, whose sum is σ = 101077644. Its totient is φ = 101077642.

The previous prime is 101077637. The next prime is 101077681. The reversal of 101077643 is 346770101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101077643 - 2²⁰ = 100029067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101077633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50538821 + 50538822.

It is an arithmetic number, because the mean of its divisors is an integer number (50538822).

Almost surely, 2^101077643 is an apocalyptic number.

101077643 is a deficient number, since it is larger than the sum of its proper divisors (1).

101077643 is an equidigital number, since it uses as much as digits as its factorization.

101077643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 101077643 is about 10053.7377626433. The cubic root of 101077643 is about 465.8202549301.

The spelling of 101077643 in words is "one hundred one million, seventy-seven thousand, six hundred forty-three".