124243432501 has 2 divisors, whose sum is σ = 124243432502. Its totient is φ = 124243432500.

The previous prime is 124243432427. The next prime is 124243432549. The reversal of 124243432501 is 105234342421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96456209476 + 27787223025 = 310574^2 + 166695^2 .

It is a cyclic number.

It is not a de Polignac number, because 124243432501 - 2⁹ = 124243431989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124243432561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62121716250 + 62121716251.

It is an arithmetic number, because the mean of its divisors is an integer number (62121716251).

Almost surely, 2^124243432501 is an apocalyptic number.

It is an amenable number.

124243432501 is a deficient number, since it is larger than the sum of its proper divisors (1).

124243432501 is an equidigital number, since it uses as much as digits as its factorization.

124243432501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 124243432501 its reverse (105234342421), we get a palindrome (229477774922).

The spelling of 124243432501 in words is "one hundred twenty-four billion, two hundred forty-three million, four hundred thirty-two thousand, five hundred one".