101388087 has 6 divisors (see below), whose sum is σ = 146449472. Its totient is φ = 67592052.

The previous prime is 101388061. The next prime is 101388097. The reversal of 101388087 is 780883101.

It is not a de Polignac number, because 101388087 - 2⁷ = 101387959 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 (101388097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5632663 + ... + 5632680.

Almost surely, 2^101388087 is an apocalyptic number.

101388087 is a deficient number, since it is larger than the sum of its proper divisors (45061385).

101388087 is a wasteful number, since it uses less digits than its factorization.

101388087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11265349 (or 11265346 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 101388087 is about 10069.1651590388. The cubic root of 101388087 is about 466.2966652783.

It can be divided in two parts, 10138 and 8087, that added together give a square (18225 = 135²).

The spelling of 101388087 in words is "one hundred one million, three hundred eighty-eight thousand, eighty-seven".