124366490109 has 6 divisors (see below), whose sum is σ = 179640485726. Its totient is φ = 82910993400.

The previous prime is 124366490099. The next prime is 124366490137. The reversal of 124366490109 is 901094663421.

124366490109 is a `hidden beast` number, since 1 + 24 + 36 + 6 + 490 + 109 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65861523225 + 58504966884 = 256635^2 + 241878^2 .

It is not a de Polignac number, because 124366490109 - 2⁸ = 124366489853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124366490159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6909249442 + ... + 6909249459.

Almost surely, 2^124366490109 is an apocalyptic number.

It is an amenable number.

124366490109 is a deficient number, since it is larger than the sum of its proper divisors (55273995617).

124366490109 is a wasteful number, since it uses less digits than its factorization.

124366490109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13818498907 (or 13818498904 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 124366490109 in words is "one hundred twenty-four billion, three hundred sixty-six million, four hundred ninety thousand, one hundred nine".