124640233 has 2 divisors, whose sum is σ = 124640234. Its totient is φ = 124640232.

The previous prime is 124640221. The next prime is 124640237. The reversal of 124640233 is 332046421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104101209 + 20539024 = 10203^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 124640233 - 2¹³ = 124632041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124640198 and 124640207.

It is not a weakly prime, because it can be changed into another prime (124640237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62320116 + 62320117.

It is an arithmetic number, because the mean of its divisors is an integer number (62320117).

Almost surely, 2^124640233 is an apocalyptic number.

It is an amenable number.

124640233 is a deficient number, since it is larger than the sum of its proper divisors (1).

124640233 is an equidigital number, since it uses as much as digits as its factorization.

124640233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 124640233 is about 11164.2390246716. The cubic root of 124640233 is about 499.5198497257.

Adding to 124640233 its reverse (332046421), we get a palindrome (456686654).

The spelling of 124640233 in words is "one hundred twenty-four million, six hundred forty thousand, two hundred thirty-three".