124425564545 has 8 divisors (see below), whose sum is σ = 149318819496. Its totient is φ = 99535023616.

The previous prime is 124425564493. The next prime is 124425564551. The reversal of 124425564545 is 545465524421.

It can be written as a sum of positive squares in 4 ways, for example, as 29925886081 + 94499678464 = 172991^2 + 307408^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124425564545 - 2⁶ = 124425564481 is a prime.

It is a super-2 number, since 2×124425564545² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 124425564545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576242 + ... + 762171.

It is an arithmetic number, because the mean of its divisors is an integer number (18664852437).

Almost surely, 2^124425564545 is an apocalyptic number.

It is an amenable number.

124425564545 is a deficient number, since it is larger than the sum of its proper divisors (24893254951).

124425564545 is a wasteful number, since it uses less digits than its factorization.

124425564545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357011.

The product of its digits is 3840000, while the sum is 47.

The spelling of 124425564545 in words is "one hundred twenty-four billion, four hundred twenty-five million, five hundred sixty-four thousand, five hundred forty-five".