124404224251 has 2 divisors, whose sum is σ = 124404224252. Its totient is φ = 124404224250.

The previous prime is 124404224233. The next prime is 124404224327. The reversal of 124404224251 is 152422404421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124404224251 - 2¹¹ = 124404222203 is a prime.

It is a super-2 number, since 2×124404224251² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124404221251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62202112125 + 62202112126.

It is an arithmetic number, because the mean of its divisors is an integer number (62202112126).

Almost surely, 2^124404224251 is an apocalyptic number.

124404224251 is a deficient number, since it is larger than the sum of its proper divisors (1).

124404224251 is an equidigital number, since it uses as much as digits as its factorization.

124404224251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 124404224251 its reverse (152422404421), we get a palindrome (276826628672).

The spelling of 124404224251 in words is "one hundred twenty-four billion, four hundred four million, two hundred twenty-four thousand, two hundred fifty-one".