124836644749 has 2 divisors, whose sum is σ = 124836644750. Its totient is φ = 124836644748.

The previous prime is 124836644729. The next prime is 124836644791. The reversal of 124836644749 is 947446638421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101095382025 + 23741262724 = 317955^2 + 154082^2 .

It is a cyclic number.

It is not a de Polignac number, because 124836644749 - 2²⁹ = 124299773837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124836644693 and 124836644702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124836644719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62418322374 + 62418322375.

It is an arithmetic number, because the mean of its divisors is an integer number (62418322375).

Almost surely, 2^124836644749 is an apocalyptic number.

It is an amenable number.

124836644749 is a deficient number, since it is larger than the sum of its proper divisors (1).

124836644749 is an equidigital number, since it uses as much as digits as its factorization.

124836644749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 58.

The spelling of 124836644749 in words is "one hundred twenty-four billion, eight hundred thirty-six million, six hundred forty-four thousand, seven hundred forty-nine".