124277641 has 2 divisors, whose sum is σ = 124277642. Its totient is φ = 124277640.

The previous prime is 124277639. The next prime is 124277663. The reversal of 124277641 is 146772421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111746041 + 12531600 = 10571^2 + 3540^2 .

It is an emirp because it is prime and its reverse (146772421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124277641 - 2¹ = 124277639 is a prime.

Together with 124277639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 124277597 and 124277606.

It is not a weakly prime, because it can be changed into another prime (124277341) 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, 62138820 + 62138821.

It is an arithmetic number, because the mean of its divisors is an integer number (62138821).

Almost surely, 2^124277641 is an apocalyptic number.

It is an amenable number.

124277641 is a deficient number, since it is larger than the sum of its proper divisors (1).

124277641 is an equidigital number, since it uses as much as digits as its factorization.

124277641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 124277641 is about 11147.9882041559. The cubic root of 124277641 is about 499.0349933894.

The spelling of 124277641 in words is "one hundred twenty-four million, two hundred seventy-seven thousand, six hundred forty-one".