101066720 has 24 divisors (see below), whose sum is σ = 238770504. Its totient is φ = 40426624.

The previous prime is 101066701. The next prime is 101066723. The reversal of 101066720 is 27660101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101066723) 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 3 ways as a sum of consecutive naturals, for example, 315674 + ... + 315993.

It is an arithmetic number, because the mean of its divisors is an integer number (9948771).

Almost surely, 2^101066720 is an apocalyptic number.

101066720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101066720 is an abundant number, since it is smaller than the sum of its proper divisors (137703784).

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

101066720 is an equidigital number, since it uses as much as digits as its factorization.

101066720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631682 (or 631674 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 101066720 is about 10053.1945171672. The cubic root of 101066720 is about 465.8034746353.

The spelling of 101066720 in words is "one hundred one million, sixty-six thousand, seven hundred twenty".