124777006849 has 32 divisors (see below), whose sum is σ = 138491942400. Its totient is φ = 111475647360.

The previous prime is 124777006841. The next prime is 124777006927. The reversal of 124777006849 is 948600777421.

It is a happy number.

It is not a de Polignac number, because 124777006849 - 2³ = 124777006841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124777006849.

It is not an unprimeable number, because it can be changed into a prime (124777006841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194054122 + ... + 194054764.

It is an arithmetic number, because the mean of its divisors is an integer number (4327873200).

Almost surely, 2^124777006849 is an apocalyptic number.

It is an amenable number.

124777006849 is a deficient number, since it is larger than the sum of its proper divisors (13714935551).

124777006849 is a wasteful number, since it uses less digits than its factorization.

124777006849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 124777006849 in words is "one hundred twenty-four billion, seven hundred seventy-seven million, six thousand, eight hundred forty-nine".