101987006 has 8 divisors (see below), whose sum is σ = 166887864. Its totient is φ = 46357720.

The previous prime is 101986979. The next prime is 101987009. The reversal of 101987006 is 600789101.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101987009) 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 3 ways as a sum of consecutive naturals, for example, 2317865 + ... + 2317908.

It is an arithmetic number, because the mean of its divisors is an integer number (20860983).

Almost surely, 2^101987006 is an apocalyptic number.

101987006 is a deficient number, since it is larger than the sum of its proper divisors (64900858).

101987006 is a wasteful number, since it uses less digits than its factorization.

101987006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635786.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 101987006 is about 10098.8616190143. The cubic root of 101987006 is about 467.2130313918.

The spelling of 101987006 in words is "one hundred one million, nine hundred eighty-seven thousand, six".