1224300149 has 2 divisors, whose sum is σ = 1224300150. Its totient is φ = 1224300148.

The previous prime is 1224300107. The next prime is 1224300173. The reversal of 1224300149 is 9410034221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1224300100 + 49 = 34990^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224300149 - 2¹² = 1224296053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224300199) 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, 612150074 + 612150075.

It is an arithmetic number, because the mean of its divisors is an integer number (612150075).

Almost surely, 2^1224300149 is an apocalyptic number.

It is an amenable number.

1224300149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224300149 is an equidigital number, since it uses as much as digits as its factorization.

1224300149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1224300149 is about 34990.0007002001. Note that the first 3 decimals coincide. The cubic root of 1224300149 is about 1069.7836779915.

It can be divided in two parts, 12243001 and 49, that multiplied together give a square (599907049 = 24493²).

The spelling of 1224300149 in words is "one billion, two hundred twenty-four million, three hundred thousand, one hundred forty-nine".