124434622409 has 2 divisors, whose sum is σ = 124434622410. Its totient is φ = 124434622408.

The previous prime is 124434622307. The next prime is 124434622427. The reversal of 124434622409 is 904226434421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121298958400 + 3135664009 = 348280^2 + 55997^2 .

It is an emirp because it is prime and its reverse (904226434421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124434622409 - 2¹² = 124434618313 is a prime.

It is not a weakly prime, because it can be changed into another prime (124434622489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62217311204 + 62217311205.

It is an arithmetic number, because the mean of its divisors is an integer number (62217311205).

Almost surely, 2^124434622409 is an apocalyptic number.

It is an amenable number.

124434622409 is a deficient number, since it is larger than the sum of its proper divisors (1).

124434622409 is an equidigital number, since it uses as much as digits as its factorization.

124434622409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 124434622409 in words is "one hundred twenty-four billion, four hundred thirty-four million, six hundred twenty-two thousand, four hundred nine".