105379217 has 4 divisors (see below), whose sum is σ = 107621376. Its totient is φ = 103137060.

The previous prime is 105379201. The next prime is 105379231. The reversal of 105379217 is 712973501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105379217 - 2⁴ = 105379201 is a prime.

It is a super-2 number, since 2×105379217² = 22209558751066178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105379237) 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, 1121009 + ... + 1121102.

It is an arithmetic number, because the mean of its divisors is an integer number (26905344).

Almost surely, 2^105379217 is an apocalyptic number.

It is an amenable number.

105379217 is a deficient number, since it is larger than the sum of its proper divisors (2242159).

105379217 is an equidigital number, since it uses as much as digits as its factorization.

105379217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242158.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 105379217 is about 10265.4379838368. The cubic root of 105379217 is about 472.3366616258.

The spelling of 105379217 in words is "one hundred five million, three hundred seventy-nine thousand, two hundred seventeen".