101043959 has 4 divisors (see below), whose sum is σ = 101068104. Its totient is φ = 101019816.

The previous prime is 101043883. The next prime is 101043979. The reversal of 101043959 is 959340101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 959340101 = 709 ⋅1353089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101043959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101043979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3992 + ... + 14765.

It is an arithmetic number, because the mean of its divisors is an integer number (25267026).

Almost surely, 2^101043959 is an apocalyptic number.

101043959 is a deficient number, since it is larger than the sum of its proper divisors (24145).

101043959 is an equidigital number, since it uses as much as digits as its factorization.

101043959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24144.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 101043959 is about 10052.0624251941. The cubic root of 101043959 is about 465.7685045058.

The spelling of 101043959 in words is "one hundred one million, forty-three thousand, nine hundred fifty-nine".