124911893 has 2 divisors, whose sum is σ = 124911894. Its totient is φ = 124911892.

The previous prime is 124911883. The next prime is 124911931. The reversal of 124911893 is 398119421.

It is an a-pointer prime, because the next prime (124911931) can be obtained adding 124911893 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86248369 + 38663524 = 9287^2 + 6218^2 .

It is a cyclic number.

It is not a de Polignac number, because 124911893 - 2¹⁰ = 124910869 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 (124911823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62455946 + 62455947.

It is an arithmetic number, because the mean of its divisors is an integer number (62455947).

Almost surely, 2^124911893 is an apocalyptic number.

It is an amenable number.

124911893 is a deficient number, since it is larger than the sum of its proper divisors (1).

124911893 is an equidigital number, since it uses as much as digits as its factorization.

124911893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 38.

The square root of 124911893 is about 11176.3989280984. The cubic root of 124911893 is about 499.8824963880.

The spelling of 124911893 in words is "one hundred twenty-four million, nine hundred eleven thousand, eight hundred ninety-three".