124512083261 has 2 divisors, whose sum is σ = 124512083262. Its totient is φ = 124512083260.

The previous prime is 124512083257. The next prime is 124512083263. The reversal of 124512083261 is 162380215421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122076167236 + 2435916025 = 349394^2 + 49355^2 .

It is an emirp because it is prime and its reverse (162380215421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124512083261 - 2² = 124512083257 is a prime.

Together with 124512083263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124512083263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62256041630 + 62256041631.

It is an arithmetic number, because the mean of its divisors is an integer number (62256041631).

Almost surely, 2^124512083261 is an apocalyptic number.

It is an amenable number.

124512083261 is a deficient number, since it is larger than the sum of its proper divisors (1).

124512083261 is an equidigital number, since it uses as much as digits as its factorization.

124512083261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 124512083261 its reverse (162380215421), we get a palindrome (286892298682).

The spelling of 124512083261 in words is "one hundred twenty-four billion, five hundred twelve million, eighty-three thousand, two hundred sixty-one".