124983161 has 2 divisors, whose sum is σ = 124983162. Its totient is φ = 124983160.

The previous prime is 124983119. The next prime is 124983163. The reversal of 124983161 is 161389421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 11155600 = 10669^2 + 3340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124983161 is a prime.

Together with 124983163, 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 (124983163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62491580 + 62491581.

It is an arithmetic number, because the mean of its divisors is an integer number (62491581).

Almost surely, 2^124983161 is an apocalyptic number.

It is an amenable number.

124983161 is a deficient number, since it is larger than the sum of its proper divisors (1).

124983161 is an equidigital number, since it uses as much as digits as its factorization.

124983161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 124983161 is about 11179.5867991621. The cubic root of 124983161 is about 499.9775469917.

The spelling of 124983161 in words is "one hundred twenty-four million, nine hundred eighty-three thousand, one hundred sixty-one".