101135987 has 8 divisors (see below), whose sum is σ = 102991920. Its totient is φ = 99286560.

The previous prime is 101135959. The next prime is 101135989. The reversal of 101135987 is 789531101.

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

It is a cyclic number.

It is not a de Polignac number, because 101135987 - 2¹⁰ = 101134963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101135989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38564 + ... + 41102.

It is an arithmetic number, because the mean of its divisors is an integer number (12873990).

Almost surely, 2^101135987 is an apocalyptic number.

101135987 is a deficient number, since it is larger than the sum of its proper divisors (1855933).

101135987 is an equidigital number, since it uses as much as digits as its factorization.

101135987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 101135987 is about 10056.6389514589. The cubic root of 101135987 is about 465.9098645564.

The spelling of 101135987 in words is "one hundred one million, one hundred thirty-five thousand, nine hundred eighty-seven".