4124609 has 2 divisors, whose sum is σ = 4124610. Its totient is φ = 4124608.

The previous prime is 4124599. The next prime is 4124611. The reversal of 4124609 is 9064214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 124609 = 2000^2 + 353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4124609 is a prime.

Together with 4124611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4124639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062304 + 2062305.

It is an arithmetic number, because the mean of its divisors is an integer number (2062305).

Almost surely, 2^4124609 is an apocalyptic number.

It is an amenable number.

4124609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4124609 is an equidigital number, since it uses as much as digits as its factorization.

4124609 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 4124609 is about 2030.9133413319. The cubic root of 4124609 is about 160.3716490834.

It can be divided in two parts, 4 and 124609, that multiplied together give a square (498436 = 706²).

The spelling of 4124609 in words is "four million, one hundred twenty-four thousand, six hundred nine".