124945319 has 2 divisors, whose sum is σ = 124945320. Its totient is φ = 124945318.

The previous prime is 124945307. The next prime is 124945333. The reversal of 124945319 is 913549421.

It is a weak prime.

It is an emirp because it is prime and its reverse (913549421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124945319 is a prime.

It is a super-2 number, since 2×124945319² = 31222665480023522, 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 (124945399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62472659 + 62472660.

It is an arithmetic number, because the mean of its divisors is an integer number (62472660).

Almost surely, 2^124945319 is an apocalyptic number.

124945319 is a deficient number, since it is larger than the sum of its proper divisors (1).

124945319 is an equidigital number, since it uses as much as digits as its factorization.

124945319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 124945319 is about 11177.8942113441. The cubic root of 124945319 is about 499.9270813663.

The spelling of 124945319 in words is "one hundred twenty-four million, nine hundred forty-five thousand, three hundred nineteen".