123247197 has 8 divisors (see below), whose sum is σ = 182588480. Its totient is φ = 82164780.

The previous prime is 123247181. The next prime is 123247199. The reversal of 123247197 is 791742321.

It is not a de Polignac number, because 123247197 - 2⁴ = 123247181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123247199) 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, 2282329 + ... + 2282382.

It is an arithmetic number, because the mean of its divisors is an integer number (22823560).

Almost surely, 2^123247197 is an apocalyptic number.

It is an amenable number.

123247197 is a deficient number, since it is larger than the sum of its proper divisors (59341283).

123247197 is an equidigital number, since it uses as much as digits as its factorization.

123247197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564720 (or 4564714 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 123247197 is about 11101.6754140985. The cubic root of 123247197 is about 497.6519196320.

The spelling of 123247197 in words is "one hundred twenty-three million, two hundred forty-seven thousand, one hundred ninety-seven".