101289265 has 16 divisors (see below), whose sum is σ = 151539840. Its totient is φ = 63141120.

The previous prime is 101289241. The next prime is 101289317. The reversal of 101289265 is 562982101.

It is not a de Polignac number, because 101289265 - 2⁷ = 101289137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101289265.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 131160 + ... + 131929.

It is an arithmetic number, because the mean of its divisors is an integer number (9471240).

Almost surely, 2^101289265 is an apocalyptic number.

It is an amenable number.

101289265 is a deficient number, since it is larger than the sum of its proper divisors (50250575).

101289265 is a wasteful number, since it uses less digits than its factorization.

101289265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263112.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 101289265 is about 10064.2568031624. The cubic root of 101289265 is about 466.1451177283.

The spelling of 101289265 in words is "one hundred one million, two hundred eighty-nine thousand, two hundred sixty-five".