124763669905 has 12 divisors (see below), whose sum is σ = 174159898740. Its totient is φ = 85552230624.

The previous prime is 124763669893. The next prime is 124763669929. The reversal of 124763669905 is 509966367421.

It can be written as a sum of positive squares in 2 ways, for example, as 51619385601 + 73144284304 = 227199^2 + 270452^2 .

It is not a de Polignac number, because 124763669905 - 2³³ = 116173735313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124763669905.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254619490 + ... + 254619979.

It is an arithmetic number, because the mean of its divisors is an integer number (14513324895).

Almost surely, 2^124763669905 is an apocalyptic number.

It is an amenable number.

124763669905 is a deficient number, since it is larger than the sum of its proper divisors (49396228835).

124763669905 is an equidigital number, since it uses as much as digits as its factorization.

124763669905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509239488 (or 509239481 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 124763669905 in words is "one hundred twenty-four billion, seven hundred sixty-three million, six hundred sixty-nine thousand, nine hundred five".