124135378364089 has 4 divisors (see below), whose sum is σ = 130668819330640. Its totient is φ = 117601937397540.

The previous prime is 124135378364057. The next prime is 124135378364117. The reversal of 124135378364089 is 980463873531421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124135378364089 - 2⁵ = 124135378364057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124135378364089.

It is not an unprimeable number, because it can be changed into a prime (124135378364009) 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, 3266720483247 + ... + 3266720483284.

It is an arithmetic number, because the mean of its divisors is an integer number (32667204832660).

It is a 1-persistent number, because it is pandigital, but 2⋅124135378364089 = 248270756728178 is not.

Almost surely, 2^{124135378364089} is an apocalyptic number.

124135378364089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

124135378364089 is a deficient number, since it is larger than the sum of its proper divisors (6533440966551).

124135378364089 is an equidigital number, since it uses as much as digits as its factorization.

124135378364089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533440966550.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 124135378364089 in words is "one hundred twenty-four trillion, one hundred thirty-five billion, three hundred seventy-eight million, three hundred sixty-four thousand, eighty-nine".