124245761 has 2 divisors, whose sum is σ = 124245762. Its totient is φ = 124245760.

The previous prime is 124245743. The next prime is 124245767. The reversal of 124245761 is 167542421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123654400 + 591361 = 11120^2 + 769^2 .

It is an emirp because it is prime and its reverse (167542421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124245761 - 2⁶ = 124245697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124245767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62122880 + 62122881.

It is an arithmetic number, because the mean of its divisors is an integer number (62122881).

Almost surely, 2^124245761 is an apocalyptic number.

It is an amenable number.

124245761 is a deficient number, since it is larger than the sum of its proper divisors (1).

124245761 is an equidigital number, since it uses as much as digits as its factorization.

124245761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 124245761 is about 11146.5582580454. The cubic root of 124245761 is about 498.9923185204.

The spelling of 124245761 in words is "one hundred twenty-four million, two hundred forty-five thousand, seven hundred sixty-one".