101307986 has 8 divisors (see below), whose sum is σ = 163651404. Its totient is φ = 46757520.

The previous prime is 101307971. The next prime is 101307989. The reversal of 101307986 is 689703101.

It can be written as a sum of positive squares in 2 ways, for example, as 86136961 + 15171025 = 9281^2 + 3895^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101307989) 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, 1948205 + ... + 1948256.

Almost surely, 2^101307986 is an apocalyptic number.

101307986 is a deficient number, since it is larger than the sum of its proper divisors (62343418).

101307986 is a wasteful number, since it uses less digits than its factorization.

101307986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896476.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 101307986 is about 10065.1868338347. The cubic root of 101307986 is about 466.1738347076.

The spelling of 101307986 in words is "one hundred one million, three hundred seven thousand, nine hundred eighty-six".