1224889013137 has 2 divisors, whose sum is σ = 1224889013138. Its totient is φ = 1224889013136.

The previous prime is 1224889013071. The next prime is 1224889013207. The reversal of 1224889013137 is 7313109884221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1222685274001 + 2203739136 = 1105751^2 + 46944^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224889013137 - 2¹⁹ = 1224888488849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224889013237) 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, 612444506568 + 612444506569.

It is an arithmetic number, because the mean of its divisors is an integer number (612444506569).

Almost surely, 2^{1224889013137} is an apocalyptic number.

It is an amenable number.

1224889013137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224889013137 is an equidigital number, since it uses as much as digits as its factorization.

1224889013137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 1224889013137 in words is "one trillion, two hundred twenty-four billion, eight hundred eighty-nine million, thirteen thousand, one hundred thirty-seven".