105272197 has 4 divisors (see below), whose sum is σ = 106754976. Its totient is φ = 103789420.

The previous prime is 105272183. The next prime is 105272207. The reversal of 105272197 is 791272501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 791272501 = 2957 ⋅267593.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105272197 is a prime.

It is a super-2 number, since 2×105272197² = 22164470922413618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105272147) 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, 741283 + ... + 741424.

It is an arithmetic number, because the mean of its divisors is an integer number (26688744).

Almost surely, 2^105272197 is an apocalyptic number.

It is an amenable number.

105272197 is a deficient number, since it is larger than the sum of its proper divisors (1482779).

105272197 is an equidigital number, since it uses as much as digits as its factorization.

105272197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482778.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 105272197 is about 10260.2240228954. The cubic root of 105272197 is about 472.1767104425.

The spelling of 105272197 in words is "one hundred five million, two hundred seventy-two thousand, one hundred ninety-seven".