124741691 has 2 divisors, whose sum is σ = 124741692. Its totient is φ = 124741690.

The previous prime is 124741679. The next prime is 124741693. The reversal of 124741691 is 196147421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124741691 is a prime.

Together with 124741693, 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 (124741693) 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, 62370845 + 62370846.

It is an arithmetic number, because the mean of its divisors is an integer number (62370846).

Almost surely, 2^124741691 is an apocalyptic number.

124741691 is a deficient number, since it is larger than the sum of its proper divisors (1).

124741691 is an equidigital number, since it uses as much as digits as its factorization.

124741691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 124741691 is about 11168.7819837259. The cubic root of 124741691 is about 499.6553504880.

The spelling of 124741691 in words is "one hundred twenty-four million, seven hundred forty-one thousand, six hundred ninety-one".