124540202387 has 2 divisors, whose sum is σ = 124540202388. Its totient is φ = 124540202386.

The previous prime is 124540202377. The next prime is 124540202419. The reversal of 124540202387 is 783202045421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124540202387 - 2¹⁰ = 124540201363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124540202387.

It is not a weakly prime, because it can be changed into another prime (124540202377) 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, 62270101193 + 62270101194.

It is an arithmetic number, because the mean of its divisors is an integer number (62270101194).

Almost surely, 2^124540202387 is an apocalyptic number.

124540202387 is a deficient number, since it is larger than the sum of its proper divisors (1).

124540202387 is an equidigital number, since it uses as much as digits as its factorization.

124540202387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 124540202387 in words is "one hundred twenty-four billion, five hundred forty million, two hundred two thousand, three hundred eighty-seven".