123270449 has 2 divisors, whose sum is σ = 123270450. Its totient is φ = 123270448.

The previous prime is 123270443. The next prime is 123270463. The reversal of 123270449 is 944072321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82719025 + 40551424 = 9095^2 + 6368^2 .

It is a cyclic number.

It is not a de Polignac number, because 123270449 - 2⁸ = 123270193 is a prime.

It is not a weakly prime, because it can be changed into another prime (123270443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61635224 + 61635225.

It is an arithmetic number, because the mean of its divisors is an integer number (61635225).

Almost surely, 2^123270449 is an apocalyptic number.

It is an amenable number.

123270449 is a deficient number, since it is larger than the sum of its proper divisors (1).

123270449 is an equidigital number, since it uses as much as digits as its factorization.

123270449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 123270449 is about 11102.7225940307. The cubic root of 123270449 is about 497.6832135819.

The spelling of 123270449 in words is "one hundred twenty-three million, two hundred seventy thousand, four hundred forty-nine".