124712617 has 2 divisors, whose sum is σ = 124712618. Its totient is φ = 124712616.

The previous prime is 124712593. The next prime is 124712669. The reversal of 124712617 is 716217421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113550336 + 11162281 = 10656^2 + 3341^2 .

It is an emirp because it is prime and its reverse (716217421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124712617 - 2²³ = 116324009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124712117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62356308 + 62356309.

It is an arithmetic number, because the mean of its divisors is an integer number (62356309).

Almost surely, 2^124712617 is an apocalyptic number.

It is an amenable number.

124712617 is a deficient number, since it is larger than the sum of its proper divisors (1).

124712617 is an equidigital number, since it uses as much as digits as its factorization.

124712617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 124712617 is about 11167.4803335399. The cubic root of 124712617 is about 499.6165286413.

Adding to 124712617 its product of digits (4704), we get a triangular number (124717321 = T₁₅₇₉₃).

The spelling of 124712617 in words is "one hundred twenty-four million, seven hundred twelve thousand, six hundred seventeen".