123010247 has 2 divisors, whose sum is σ = 123010248. Its totient is φ = 123010246.

The previous prime is 123010243. The next prime is 123010271. The reversal of 123010247 is 742010321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123010247 - 2² = 123010243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123010243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505123 + 61505124.

It is an arithmetic number, because the mean of its divisors is an integer number (61505124).

Almost surely, 2^123010247 is an apocalyptic number.

123010247 is a deficient number, since it is larger than the sum of its proper divisors (1).

123010247 is an equidigital number, since it uses as much as digits as its factorization.

123010247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 123010247 is about 11090.9984672256. The cubic root of 123010247 is about 497.3327933163.

Adding to 123010247 its reverse (742010321), we get a palindrome (865020568).

The spelling of 123010247 in words is "one hundred twenty-three million, ten thousand, two hundred forty-seven".