123247065 has 8 divisors (see below), whose sum is σ = 197195328. Its totient is φ = 65731760.

The previous prime is 123247057. The next prime is 123247067. The reversal of 123247065 is 560742321.

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

It is not a de Polignac number, because 123247065 - 2³ = 123247057 is a prime.

It is a super-2 number, since 2×123247065² = 30379678062228450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123247067) 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, 4108221 + ... + 4108250.

It is an arithmetic number, because the mean of its divisors is an integer number (24649416).

Almost surely, 2^123247065 is an apocalyptic number.

123247065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123247065 is a deficient number, since it is larger than the sum of its proper divisors (73948263).

123247065 is an equidigital number, since it uses as much as digits as its factorization.

123247065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216479.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 123247065 is about 11101.6694690483. The cubic root of 123247065 is about 497.6517419671.

Adding to 123247065 its reverse (560742321), we get a palindrome (683989386).

The spelling of 123247065 in words is "one hundred twenty-three million, two hundred forty-seven thousand, sixty-five".