124684861 has 12 divisors (see below), whose sum is σ = 145248768. Its totient is φ = 106720152.

The previous prime is 124684837. The next prime is 124684871. The reversal of 124684861 is 168486421.

It is not a de Polignac number, because 124684861 - 2⁵ = 124684829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124684801) 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, 45060 + ... + 47746.

It is an arithmetic number, because the mean of its divisors is an integer number (12104064).

Almost surely, 2^124684861 is an apocalyptic number.

It is an amenable number.

124684861 is a deficient number, since it is larger than the sum of its proper divisors (20563907).

124684861 is an equidigital number, since it uses as much as digits as its factorization.

124684861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3641 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 124684861 is about 11166.2375489688. The cubic root of 124684861 is about 499.5794610598.

The spelling of 124684861 in words is "one hundred twenty-four million, six hundred eighty-four thousand, eight hundred sixty-one".