124661112469 has 2 divisors, whose sum is σ = 124661112470. Its totient is φ = 124661112468.

The previous prime is 124661112451. The next prime is 124661112481. The reversal of 124661112469 is 964211166421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63572058225 + 61089054244 = 252135^2 + 247162^2 .

It is a cyclic number.

It is not a de Polignac number, because 124661112469 - 2⁵ = 124661112437 is a prime.

It is a super-2 number, since 2×124661112469² (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 (124661113469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62330556234 + 62330556235.

It is an arithmetic number, because the mean of its divisors is an integer number (62330556235).

Almost surely, 2^124661112469 is an apocalyptic number.

It is an amenable number.

124661112469 is a deficient number, since it is larger than the sum of its proper divisors (1).

124661112469 is an equidigital number, since it uses as much as digits as its factorization.

124661112469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The spelling of 124661112469 in words is "one hundred twenty-four billion, six hundred sixty-one million, one hundred twelve thousand, four hundred sixty-nine".