124881193 has 2 divisors, whose sum is σ = 124881194. Its totient is φ = 124881192.

The previous prime is 124881149. The next prime is 124881241. The reversal of 124881193 is 391188421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124367104 + 514089 = 11152^2 + 717^2 .

It is a cyclic number.

It is not a de Polignac number, because 124881193 - 2⁹ = 124880681 is a prime.

It is not a weakly prime, because it can be changed into another prime (124881103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62440596 + 62440597.

It is an arithmetic number, because the mean of its divisors is an integer number (62440597).

Almost surely, 2^124881193 is an apocalyptic number.

It is an amenable number.

124881193 is a deficient number, since it is larger than the sum of its proper divisors (1).

124881193 is an equidigital number, since it uses as much as digits as its factorization.

124881193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 124881193 is about 11175.0254138413. The cubic root of 124881193 is about 499.8415404531.

The spelling of 124881193 in words is "one hundred twenty-four million, eight hundred eighty-one thousand, one hundred ninety-three".