124135378364087 has 4 divisors (see below), whose sum is σ = 124181645745960. Its totient is φ = 124089110982216.

The previous prime is 124135378364057. The next prime is 124135378364117. The reversal of 124135378364087 is 780463873531421.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (124135378364057) and next prime (124135378364117).

It is a cyclic number.

It is not a de Polignac number, because 124135378364087 - 2¹² = 124135378359991 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 (124135378364057) 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 in 3 ways as a sum of consecutive naturals, for example, 23133686912 + ... + 23133692277.

It is an arithmetic number, because the mean of its divisors is an integer number (31045411436490).

Almost surely, 2^{124135378364087} is an apocalyptic number.

124135378364087 is a deficient number, since it is larger than the sum of its proper divisors (46267381873).

124135378364087 is an equidigital number, since it uses as much as digits as its factorization.

124135378364087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46267381872.

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 124135378364087 in words is "one hundred twenty-four trillion, one hundred thirty-five billion, three hundred seventy-eight million, three hundred sixty-four thousand, eighty-seven".