101261217 has 8 divisors (see below), whose sum is σ = 137562624. Its totient is φ = 66233648.

The previous prime is 101261207. The next prime is 101261219. The reversal of 101261217 is 712162101.

It is a happy number.

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 101261217 - 2⁴ = 101261201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101261193 and 101261202.

It is not an unprimeable number, because it can be changed into a prime (101261219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318273 + ... + 318590.

It is an arithmetic number, because the mean of its divisors is an integer number (17195328).

Almost surely, 2^101261217 is an apocalyptic number.

It is an amenable number.

101261217 is a deficient number, since it is larger than the sum of its proper divisors (36301407).

101261217 is an equidigital number, since it uses as much as digits as its factorization.

101261217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636919.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 101261217 is about 10062.8632605238. The cubic root of 101261217 is about 466.1020870239.

The spelling of 101261217 in words is "one hundred one million, two hundred sixty-one thousand, two hundred seventeen".