124125388775 has 6 divisors (see below), whose sum is σ = 153915482112. Its totient is φ = 99300311000.

The previous prime is 124125388703. The next prime is 124125388799. The reversal of 124125388775 is 577883521421.

It is a de Polignac number, because none of the positive numbers 2^k-124125388775 is a prime.

It is a super-2 number, since 2×124125388775² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2482507751 + ... + 2482507800.

It is an arithmetic number, because the mean of its divisors is an integer number (25652580352).

Almost surely, 2^124125388775 is an apocalyptic number.

124125388775 is a deficient number, since it is larger than the sum of its proper divisors (29790093337).

124125388775 is an equidigital number, since it uses as much as digits as its factorization.

124125388775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965015561 (or 4965015556 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 53.

The spelling of 124125388775 in words is "one hundred twenty-four billion, one hundred twenty-five million, three hundred eighty-eight thousand, seven hundred seventy-five".