124115233261 has 2 divisors, whose sum is σ = 124115233262. Its totient is φ = 124115233260.

The previous prime is 124115233223. The next prime is 124115233271. The reversal of 124115233261 is 162332511421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66877063236 + 57238170025 = 258606^2 + 239245^2 .

It is a cyclic number.

It is not a de Polignac number, because 124115233261 - 2¹¹ = 124115231213 is a prime.

It is a super-2 number, since 2×124115233261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124115233271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62057616630 + 62057616631.

It is an arithmetic number, because the mean of its divisors is an integer number (62057616631).

Almost surely, 2^124115233261 is an apocalyptic number.

It is an amenable number.

124115233261 is a deficient number, since it is larger than the sum of its proper divisors (1).

124115233261 is an equidigital number, since it uses as much as digits as its factorization.

124115233261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

Adding to 124115233261 its reverse (162332511421), we get a palindrome (286447744682).

The spelling of 124115233261 in words is "one hundred twenty-four billion, one hundred fifteen million, two hundred thirty-three thousand, two hundred sixty-one".