124420319 has 2 divisors, whose sum is σ = 124420320. Its totient is φ = 124420318.

The previous prime is 124420313. The next prime is 124420333. The reversal of 124420319 is 913024421.

It is a weak prime.

It is an emirp because it is prime and its reverse (913024421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124420319 is a prime.

It is a super-2 number, since 2×124420319² = 30960831560123522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124420313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62210159 + 62210160.

It is an arithmetic number, because the mean of its divisors is an integer number (62210160).

Almost surely, 2^124420319 is an apocalyptic number.

124420319 is a deficient number, since it is larger than the sum of its proper divisors (1).

124420319 is an equidigital number, since it uses as much as digits as its factorization.

124420319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 124420319 is about 11154.3856397383. The cubic root of 124420319 is about 499.2258941387.

The spelling of 124420319 in words is "one hundred twenty-four million, four hundred twenty thousand, three hundred nineteen".