124226551 has 2 divisors, whose sum is σ = 124226552. Its totient is φ = 124226550.

The previous prime is 124226539. The next prime is 124226569. The reversal of 124226551 is 155622421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124226551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124226521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62113275 + 62113276.

It is an arithmetic number, because the mean of its divisors is an integer number (62113276).

Almost surely, 2^124226551 is an apocalyptic number.

124226551 is a deficient number, since it is larger than the sum of its proper divisors (1).

124226551 is an equidigital number, since it uses as much as digits as its factorization.

124226551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 124226551 is about 11145.6965237710. The cubic root of 124226551 is about 498.9666003083.

Adding to 124226551 its reverse (155622421), we get a palindrome (279848972).

The spelling of 124226551 in words is "one hundred twenty-four million, two hundred twenty-six thousand, five hundred fifty-one".