124706819 has 2 divisors, whose sum is σ = 124706820. Its totient is φ = 124706818.

The previous prime is 124706807. The next prime is 124706863. The reversal of 124706819 is 918607421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124706819 - 2⁸ = 124706563 is a prime.

It is a super-2 number, since 2×124706819² = 31103581410197522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124706419) 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, 62353409 + 62353410.

It is an arithmetic number, because the mean of its divisors is an integer number (62353410).

Almost surely, 2^124706819 is an apocalyptic number.

124706819 is a deficient number, since it is larger than the sum of its proper divisors (1).

124706819 is an equidigital number, since it uses as much as digits as its factorization.

124706819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 124706819 is about 11167.2207374978. The cubic root of 124706819 is about 499.6087859830.

The spelling of 124706819 in words is "one hundred twenty-four million, seven hundred six thousand, eight hundred nineteen".