124142401777 has 2 divisors, whose sum is σ = 124142401778. Its totient is φ = 124142401776.

The previous prime is 124142401771. The next prime is 124142401847. The reversal of 124142401777 is 777104241421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120743045361 + 3399356416 = 347481^2 + 58304^2 .

It is a cyclic number.

It is not a de Polignac number, because 124142401777 - 2³ = 124142401769 is a prime.

It is a super-2 number, since 2×124142401777² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124142401771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62071200888 + 62071200889.

It is an arithmetic number, because the mean of its divisors is an integer number (62071200889).

Almost surely, 2^124142401777 is an apocalyptic number.

It is an amenable number.

124142401777 is a deficient number, since it is larger than the sum of its proper divisors (1).

124142401777 is an equidigital number, since it uses as much as digits as its factorization.

124142401777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87808, while the sum is 40.

The spelling of 124142401777 in words is "one hundred twenty-four billion, one hundred forty-two million, four hundred one thousand, seven hundred seventy-seven".