101065540 has 12 divisors (see below), whose sum is σ = 212237676. Its totient is φ = 40426208.

The previous prime is 101065529. The next prime is 101065543. The reversal of 101065540 is 45560101.

It can be written as a sum of positive squares in 2 ways, for example, as 12404484 + 88661056 = 3522^2 + 9416^2 .

It is not an unprimeable number, because it can be changed into a prime (101065543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526619 + ... + 2526658.

It is an arithmetic number, because the mean of its divisors is an integer number (17686473).

Almost surely, 2^101065540 is an apocalyptic number.

101065540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101065540 is an abundant number, since it is smaller than the sum of its proper divisors (111172136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101065540 is a wasteful number, since it uses less digits than its factorization.

101065540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053286 (or 5053284 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 101065540 is about 10053.1358291829. The cubic root of 101065540 is about 465.8016618057.

The spelling of 101065540 in words is "one hundred one million, sixty-five thousand, five hundred forty".