101322987 has 8 divisors (see below), whose sum is σ = 135151104. Its totient is φ = 67521768.

The previous prime is 101322979. The next prime is 101323003. The reversal of 101322987 is 789223101.

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

It is not a de Polignac number, because 101322987 - 2³ = 101322979 is a prime.

It is a super-5 number, since 5×101322987⁵ (a number of 41 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (101322917) 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 7 ways as a sum of consecutive naturals, for example, 4978 + ... + 15080.

It is an arithmetic number, because the mean of its divisors is an integer number (16893888).

Almost surely, 2^101322987 is an apocalyptic number.

101322987 is a deficient number, since it is larger than the sum of its proper divisors (33828117).

101322987 is a wasteful number, since it uses less digits than its factorization.

101322987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 101322987 is about 10065.9319985782. The cubic root of 101322987 is about 466.1968428594.

The spelling of 101322987 in words is "one hundred one million, three hundred twenty-two thousand, nine hundred eighty-seven".