1214447249 has 2 divisors, whose sum is σ = 1214447250. Its totient is φ = 1214447248.

The previous prime is 1214447243. The next prime is 1214447321. The reversal of 1214447249 is 9427444121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 979377025 + 235070224 = 31295^2 + 15332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214447249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214447243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607223624 + 607223625.

It is an arithmetic number, because the mean of its divisors is an integer number (607223625).

Almost surely, 2^1214447249 is an apocalyptic number.

It is an amenable number.

1214447249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214447249 is an equidigital number, since it uses as much as digits as its factorization.

1214447249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 38.

The square root of 1214447249 is about 34848.9203419561. The cubic root of 1214447249 is about 1066.9061498199.

The spelling of 1214447249 in words is "one billion, two hundred fourteen million, four hundred forty-seven thousand, two hundred forty-nine".