124543501 has 2 divisors, whose sum is σ = 124543502. Its totient is φ = 124543500.

The previous prime is 124543483. The next prime is 124543511. The reversal of 124543501 is 105345421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122655625 + 1887876 = 11075^2 + 1374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124543501 is a prime.

It is a super-2 number, since 2×124543501² = 31022167282674002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124543511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62271750 + 62271751.

It is an arithmetic number, because the mean of its divisors is an integer number (62271751).

Almost surely, 2^124543501 is an apocalyptic number.

It is an amenable number.

124543501 is a deficient number, since it is larger than the sum of its proper divisors (1).

124543501 is an equidigital number, since it uses as much as digits as its factorization.

124543501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 124543501 is about 11159.9059583851. The cubic root of 124543501 is about 499.3905922127.

Adding to 124543501 its reverse (105345421), we get a palindrome (229888922).

The spelling of 124543501 in words is "one hundred twenty-four million, five hundred forty-three thousand, five hundred one".