1000101986 has 8 divisors (see below), whose sum is σ = 1615549404. Its totient is φ = 461585520.

The previous prime is 1000101967. The next prime is 1000102003. The reversal of 1000101986 is 6891010001.

1000101986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 874325761 + 125776225 = 29569^2 + 11215^2 .

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

It is a super-2 number, since 2×1000101986² = 2000407964802288392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 38465461 = 1000101986 / (1 + 0 + 0 + 0 + 1 + 0 + 1 + 9 + 8 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19232705 + ... + 19232756.

Almost surely, 2^1000101986 is an apocalyptic number.

1000101986 is a deficient number, since it is larger than the sum of its proper divisors (615447418).

1000101986 is a wasteful number, since it uses less digits than its factorization.

1000101986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38465476.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1000101986 is about 31624.3891008190. The cubic root of 1000101986 is about 1000.0339941777.

Adding to 1000101986 its reverse (6891010001), we get a palindrome (7891111987).

The spelling of 1000101986 in words is "one billion, one hundred one thousand, nine hundred eighty-six".