4124987566129 has 2 divisors, whose sum is σ = 4124987566130. Its totient is φ = 4124987566128.

The previous prime is 4124987566111. The next prime is 4124987566163. The reversal of 4124987566129 is 9216657894214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2643801204529 + 1481186361600 = 1625977^2 + 1217040^2 .

It is a cyclic number.

It is not a de Polignac number, because 4124987566129 - 2¹³ = 4124987557937 is a prime.

It is a super-2 number, since 2×4124987566129² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4124987566229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062493783064 + 2062493783065.

It is an arithmetic number, because the mean of its divisors is an integer number (2062493783065).

Almost surely, 2^{4124987566129} is an apocalyptic number.

It is an amenable number.

4124987566129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4124987566129 is an equidigital number, since it uses as much as digits as its factorization.

4124987566129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 64.

The spelling of 4124987566129 in words is "four trillion, one hundred twenty-four billion, nine hundred eighty-seven million, five hundred sixty-six thousand, one hundred twenty-nine".