101675987 has 4 divisors (see below), whose sum is σ = 116201136. Its totient is φ = 87150840.

The previous prime is 101675983. The next prime is 101675989. The reversal of 101675987 is 789576101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789576101 = 17 ⋅46445653.

It is not a de Polignac number, because 101675987 - 2² = 101675983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101675983) 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, 7262564 + ... + 7262577.

It is an arithmetic number, because the mean of its divisors is an integer number (29050284).

Almost surely, 2^101675987 is an apocalyptic number.

101675987 is a deficient number, since it is larger than the sum of its proper divisors (14525149).

101675987 is an equidigital number, since it uses as much as digits as its factorization.

101675987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525148.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 101675987 is about 10083.4511453173. The cubic root of 101675987 is about 466.7376110396.

The spelling of 101675987 in words is "one hundred one million, six hundred seventy-five thousand, nine hundred eighty-seven".