124603942819 has 2 divisors, whose sum is σ = 124603942820. Its totient is φ = 124603942818.

The previous prime is 124603942787. The next prime is 124603942867. The reversal of 124603942819 is 918249306421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124603942819 - 2⁵ = 124603942787 is a prime.

It is a super-2 number, since 2×124603942819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124603942219) 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, 62301971409 + 62301971410.

It is an arithmetic number, because the mean of its divisors is an integer number (62301971410).

Almost surely, 2^124603942819 is an apocalyptic number.

124603942819 is a deficient number, since it is larger than the sum of its proper divisors (1).

124603942819 is an equidigital number, since it uses as much as digits as its factorization.

124603942819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 124603942819 in words is "one hundred twenty-four billion, six hundred three million, nine hundred forty-two thousand, eight hundred nineteen".