124124143261 has 2 divisors, whose sum is σ = 124124143262. Its totient is φ = 124124143260.

The previous prime is 124124143237. The next prime is 124124143277. The reversal of 124124143261 is 162341421421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123095722500 + 1028420761 = 350850^2 + 32069^2 .

It is a cyclic number.

It is not a de Polignac number, because 124124143261 - 2⁹ = 124124142749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124124143291) 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, 62062071630 + 62062071631.

It is an arithmetic number, because the mean of its divisors is an integer number (62062071631).

Almost surely, 2^124124143261 is an apocalyptic number.

It is an amenable number.

124124143261 is a deficient number, since it is larger than the sum of its proper divisors (1).

124124143261 is an equidigital number, since it uses as much as digits as its factorization.

124124143261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

Adding to 124124143261 its reverse (162341421421), we get a palindrome (286465564682).

The spelling of 124124143261 in words is "one hundred twenty-four billion, one hundred twenty-four million, one hundred forty-three thousand, two hundred sixty-one".