101214865 has 8 divisors (see below), whose sum is σ = 123122088. Its totient is φ = 79862400.

The previous prime is 101214853. The next prime is 101214877. The reversal of 101214865 is 568412101.

It is an interprime number because it is at equal distance from previous prime (101214853) and next prime (101214877).

It can be written as a sum of positive squares in 4 ways, for example, as 42094144 + 59120721 = 6488^2 + 7689^2 .

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

It is not a de Polignac number, because 101214865 - 2⁹ = 101214353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138286 + ... + 139015.

It is an arithmetic number, because the mean of its divisors is an integer number (15390261).

Almost surely, 2^101214865 is an apocalyptic number.

It is an amenable number.

101214865 is a deficient number, since it is larger than the sum of its proper divisors (21907223).

101214865 is an equidigital number, since it uses as much as digits as its factorization.

101214865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277379.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 101214865 is about 10060.5598750765. The cubic root of 101214865 is about 466.0309572538.

Adding to 101214865 its reverse (568412101), we get a palindrome (669626966).

The spelling of 101214865 in words is "one hundred one million, two hundred fourteen thousand, eight hundred sixty-five".