124136071277 has 4 divisors (see below), whose sum is σ = 124186928316. Its totient is φ = 124085214240.

The previous prime is 124136071259. The next prime is 124136071333. The reversal of 124136071277 is 772170631421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 772170631421 = 7 ⋅110310090203.

It can be written as a sum of positive squares in 2 ways, for example, as 9222529156 + 114913542121 = 96034^2 + 338989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124136071277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124136071217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25424858 + ... + 25429739.

It is an arithmetic number, because the mean of its divisors is an integer number (31046732079).

Almost surely, 2^124136071277 is an apocalyptic number.

It is an amenable number.

124136071277 is a deficient number, since it is larger than the sum of its proper divisors (50857039).

124136071277 is an equidigital number, since it uses as much as digits as its factorization.

124136071277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50857038.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 124136071277 in words is "one hundred twenty-four billion, one hundred thirty-six million, seventy-one thousand, two hundred seventy-seven".