101987017 has 8 divisors (see below), whose sum is σ = 111515040. Its totient is φ = 92501760.

The previous prime is 101987009. The next prime is 101987021. The reversal of 101987017 is 710789101.

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 101987017 - 2³ = 101987009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101987077) 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, 5592 + ... + 15337.

It is an arithmetic number, because the mean of its divisors is an integer number (13939380).

Almost surely, 2^101987017 is an apocalyptic number.

It is an amenable number.

101987017 is a deficient number, since it is larger than the sum of its proper divisors (9528023).

101987017 is a wasteful number, since it uses less digits than its factorization.

101987017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21383.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 101987017 is about 10098.8621636301. The cubic root of 101987017 is about 467.2130481892.

The spelling of 101987017 in words is "one hundred one million, nine hundred eighty-seven thousand, seventeen".