124040779 has 2 divisors, whose sum is σ = 124040780. Its totient is φ = 124040778.

The previous prime is 124040747. The next prime is 124040803. The reversal of 124040779 is 977040421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124040779 - 2⁵ = 124040747 is a prime.

It is a super-2 number, since 2×124040779² = 30772229709853682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124047779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62020389 + 62020390.

It is an arithmetic number, because the mean of its divisors is an integer number (62020390).

Almost surely, 2^124040779 is an apocalyptic number.

124040779 is a deficient number, since it is larger than the sum of its proper divisors (1).

124040779 is an equidigital number, since it uses as much as digits as its factorization.

124040779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 124040779 is about 11137.3596062981. The cubic root of 124040779 is about 498.7177531637.

The spelling of 124040779 in words is "one hundred twenty-four million, forty thousand, seven hundred seventy-nine".