101285005 has 16 divisors (see below), whose sum is σ = 124027200. Its totient is φ = 79381120.

The previous prime is 101285003. The next prime is 101285053. The reversal of 101285005 is 500582101.

It is not a de Polignac number, because 101285005 - 2¹ = 101285003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101285003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153366 + ... + 154024.

It is an arithmetic number, because the mean of its divisors is an integer number (7751700).

Almost surely, 2^101285005 is an apocalyptic number.

It is an amenable number.

101285005 is a deficient number, since it is larger than the sum of its proper divisors (22742195).

101285005 is an equidigital number, since it uses as much as digits as its factorization.

101285005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 101285005 is about 10064.0451608685. The cubic root of 101285005 is about 466.1385826296.

The spelling of 101285005 in words is "one hundred one million, two hundred eighty-five thousand, five".