101590643 has 16 divisors (see below), whose sum is σ = 126979584. Its totient is φ = 78960960.

The previous prime is 101590637. The next prime is 101590667. The reversal of 101590643 is 346095101.

It is a cyclic number.

It is not a de Polignac number, because 101590643 - 2⁸ = 101590387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101590613) 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 in 15 ways as a sum of consecutive naturals, for example, 33746 + ... + 36632.

It is an arithmetic number, because the mean of its divisors is an integer number (7936224).

Almost surely, 2^101590643 is an apocalyptic number.

101590643 is a deficient number, since it is larger than the sum of its proper divisors (25388941).

101590643 is a wasteful number, since it uses less digits than its factorization.

101590643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 101590643 is about 10079.2183724731. The cubic root of 101590643 is about 466.6069856218.

The spelling of 101590643 in words is "one hundred one million, five hundred ninety thousand, six hundred forty-three".