124000423242389 has 2 divisors, whose sum is σ = 124000423242390. Its totient is φ = 124000423242388.

The previous prime is 124000423242383. The next prime is 124000423242439. The reversal of 124000423242389 is 983242324000421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108319282599025 + 15681140643364 = 10407655^2 + 3959942^2 .

It is an emirp because it is prime and its reverse (983242324000421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124000423242389 - 2¹⁶ = 124000423176853 is a prime.

It is a super-2 number, since 2×124000423242389² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124000423242383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000211621194 + 62000211621195.

It is an arithmetic number, because the mean of its divisors is an integer number (62000211621195).

Almost surely, 2^{124000423242389} is an apocalyptic number.

It is an amenable number.

124000423242389 is a deficient number, since it is larger than the sum of its proper divisors (1).

124000423242389 is an equidigital number, since it uses as much as digits as its factorization.

124000423242389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 124000423242389 in words is "one hundred twenty-four trillion, four hundred twenty-three million, two hundred forty-two thousand, three hundred eighty-nine".