101272265 has 8 divisors (see below), whose sum is σ = 121581960. Its totient is φ = 80980992.

The previous prime is 101272189. The next prime is 101272271. The reversal of 101272265 is 562272101.

It can be written as a sum of positive squares in 4 ways, for example, as 2627641 + 98644624 = 1621^2 + 9932^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 101272265 - 2²⁶ = 34163401 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 15401 + ... + 20969.

It is an arithmetic number, because the mean of its divisors is an integer number (15197745).

Almost surely, 2^101272265 is an apocalyptic number.

It is an amenable number.

101272265 is a deficient number, since it is larger than the sum of its proper divisors (20309695).

101272265 is an equidigital number, since it uses as much as digits as its factorization.

101272265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 101272265 is about 10063.4121946783. The cubic root of 101272265 is about 466.1190376023.

The spelling of 101272265 in words is "one hundred one million, two hundred seventy-two thousand, two hundred sixty-five".