124411643 has 2 divisors, whose sum is σ = 124411644. Its totient is φ = 124411642.

The previous prime is 124411633. The next prime is 124411657. The reversal of 124411643 is 346114421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124411643 - 2⁶ = 124411579 is a prime.

It is not a weakly prime, because it can be changed into another prime (124411603) 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, 62205821 + 62205822.

It is an arithmetic number, because the mean of its divisors is an integer number (62205822).

Almost surely, 2^124411643 is an apocalyptic number.

124411643 is a deficient number, since it is larger than the sum of its proper divisors (1).

124411643 is an equidigital number, since it uses as much as digits as its factorization.

124411643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 124411643 is about 11153.9967276309. The cubic root of 124411643 is about 499.2142899662.

The spelling of 124411643 in words is "one hundred twenty-four million, four hundred eleven thousand, six hundred forty-three".