124143553 has 2 divisors, whose sum is σ = 124143554. Its totient is φ = 124143552.

The previous prime is 124143533. The next prime is 124143557. The reversal of 124143553 is 355341421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64112049 + 60031504 = 8007^2 + 7748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124143553 is a prime.

It is not a weakly prime, because it can be changed into another prime (124143557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62071776 + 62071777.

It is an arithmetic number, because the mean of its divisors is an integer number (62071777).

Almost surely, 2^124143553 is an apocalyptic number.

It is an amenable number.

124143553 is a deficient number, since it is larger than the sum of its proper divisors (1).

124143553 is an equidigital number, since it uses as much as digits as its factorization.

124143553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 28.

The square root of 124143553 is about 11141.9725811905. The cubic root of 124143553 is about 498.8554526887.

Adding to 124143553 its reverse (355341421), we get a palindrome (479484974).

The spelling of 124143553 in words is "one hundred twenty-four million, one hundred forty-three thousand, five hundred fifty-three".