124022251 has 2 divisors, whose sum is σ = 124022252. Its totient is φ = 124022250.

The previous prime is 124022219. The next prime is 124022267. The reversal of 124022251 is 152220421.

It is a strong prime.

It is an emirp because it is prime and its reverse (152220421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124022251 - 2⁵ = 124022219 is a prime.

It is not a weakly prime, because it can be changed into another prime (124022281) 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, 62011125 + 62011126.

It is an arithmetic number, because the mean of its divisors is an integer number (62011126).

Almost surely, 2^124022251 is an apocalyptic number.

124022251 is a deficient number, since it is larger than the sum of its proper divisors (1).

124022251 is an equidigital number, since it uses as much as digits as its factorization.

124022251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 124022251 is about 11136.5277802374. The cubic root of 124022251 is about 498.6929207317.

Adding to 124022251 its reverse (152220421), we get a palindrome (276242672).

The spelling of 124022251 in words is "one hundred twenty-four million, twenty-two thousand, two hundred fifty-one".