124771061 has 2 divisors, whose sum is σ = 124771062. Its totient is φ = 124771060.

The previous prime is 124771051. The next prime is 124771091. The reversal of 124771061 is 160177421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120318961 + 4452100 = 10969^2 + 2110^2 .

It is an emirp because it is prime and its reverse (160177421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124771061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124771051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62385530 + 62385531.

It is an arithmetic number, because the mean of its divisors is an integer number (62385531).

Almost surely, 2^124771061 is an apocalyptic number.

It is an amenable number.

124771061 is a deficient number, since it is larger than the sum of its proper divisors (1).

124771061 is an equidigital number, since it uses as much as digits as its factorization.

124771061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 124771061 is about 11170.0967318999. The cubic root of 124771061 is about 499.6945614526.

The spelling of 124771061 in words is "one hundred twenty-four million, seven hundred seventy-one thousand, sixty-one".