101591043 has 16 divisors (see below), whose sum is σ = 143925120. Its totient is φ = 63559296.

The previous prime is 101591033. The next prime is 101591051. The reversal of 101591043 is 340195101.

It is not a de Polignac number, because 101591043 - 2⁴ = 101591027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101591033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2230 + ... + 14427.

It is an arithmetic number, because the mean of its divisors is an integer number (8995320).

Almost surely, 2^101591043 is an apocalyptic number.

101591043 is a deficient number, since it is larger than the sum of its proper divisors (42334077).

101591043 is a wasteful number, since it uses less digits than its factorization.

101591043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16786.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 101591043 is about 10079.2382152621. The cubic root of 101591043 is about 466.6075980225.

The spelling of 101591043 in words is "one hundred one million, five hundred ninety-one thousand, forty-three".