101078087 has 4 divisors (see below), whose sum is σ = 110267016. Its totient is φ = 91889160.

The previous prime is 101078083. The next prime is 101078099. The reversal of 101078087 is 780870101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780870101 = 11 ⋅70988191.

It is not a de Polignac number, because 101078087 - 2² = 101078083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101078083) 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 3 ways as a sum of consecutive naturals, for example, 4594448 + ... + 4594469.

It is an arithmetic number, because the mean of its divisors is an integer number (27566754).

Almost surely, 2^101078087 is an apocalyptic number.

101078087 is a deficient number, since it is larger than the sum of its proper divisors (9188929).

101078087 is an equidigital number, since it uses as much as digits as its factorization.

101078087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9188928.

The product of its (nonzero) digits is 3136, while the sum is 32.

The square root of 101078087 is about 10053.7598439589. The cubic root of 101078087 is about 465.8209369929.

It can be divided in two parts, 1010 and 78087, that added together give a palindrome (79097).

The spelling of 101078087 in words is "one hundred one million, seventy-eight thousand, eighty-seven".