124657747461 has 12 divisors (see below), whose sum is σ = 193912051788. Its totient is φ = 76712459904.

The previous prime is 124657747447. The next prime is 124657747477. The reversal of 124657747461 is 164747756421.

124657747461 is a `hidden beast` number, since 1 + 2 + 4 + 6 + 577 + 4 + 7 + 4 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37789027236 + 86868720225 = 194394^2 + 294735^2 .

It is not a de Polignac number, because 124657747461 - 2⁶ = 124657747397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124657747398 and 124657747407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124657747481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532725300 + ... + 532725533.

It is an arithmetic number, because the mean of its divisors is an integer number (16159337649).

Almost surely, 2^124657747461 is an apocalyptic number.

It is an amenable number.

124657747461 is a deficient number, since it is larger than the sum of its proper divisors (69254304327).

124657747461 is a wasteful number, since it uses less digits than its factorization.

124657747461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065450852 (or 1065450849 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 124657747461 in words is "one hundred twenty-four billion, six hundred fifty-seven million, seven hundred forty-seven thousand, four hundred sixty-one".