101990759 has 8 divisors (see below), whose sum is σ = 112805280. Its totient is φ = 91600416.

The previous prime is 101990687. The next prime is 101990761. The reversal of 101990759 is 957099101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101990759 - 2¹⁶ = 101925223 is a prime.

It is a super-2 number, since 2×101990759² = 20804229842792162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101990789) 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 in 7 ways as a sum of consecutive naturals, for example, 105539 + ... + 106500.

It is an arithmetic number, because the mean of its divisors is an integer number (14100660).

Almost surely, 2^101990759 is an apocalyptic number.

101990759 is a deficient number, since it is larger than the sum of its proper divisors (10814521).

101990759 is a wasteful number, since it uses less digits than its factorization.

101990759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212089.

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 101990759 is about 10099.0474303273. The cubic root of 101990759 is about 467.2187622820.

The spelling of 101990759 in words is "one hundred one million, nine hundred ninety thousand, seven hundred fifty-nine".