124402566469 has 2 divisors, whose sum is σ = 124402566470. Its totient is φ = 124402566468.

The previous prime is 124402566467. The next prime is 124402566511. The reversal of 124402566469 is 964665204421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115557163969 + 8845402500 = 339937^2 + 94050^2 .

It is a cyclic number.

It is not a de Polignac number, because 124402566469 - 2¹ = 124402566467 is a prime.

It is a super-2 number, since 2×124402566469² (a number of 23 digits) contains 22 as substring.

Together with 124402566467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124402566461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62201283234 + 62201283235.

It is an arithmetic number, because the mean of its divisors is an integer number (62201283235).

Almost surely, 2^124402566469 is an apocalyptic number.

It is an amenable number.

124402566469 is a deficient number, since it is larger than the sum of its proper divisors (1).

124402566469 is an equidigital number, since it uses as much as digits as its factorization.

124402566469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 124402566469 in words is "one hundred twenty-four billion, four hundred two million, five hundred sixty-six thousand, four hundred sixty-nine".