124000087 has 2 divisors, whose sum is σ = 124000088. Its totient is φ = 124000086.

The previous prime is 124000081. The next prime is 124000111. The reversal of 124000087 is 780000421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124000087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000043 + 62000044.

It is an arithmetic number, because the mean of its divisors is an integer number (62000044).

Almost surely, 2^124000087 is an apocalyptic number.

124000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

124000087 is an equidigital number, since it uses as much as digits as its factorization.

124000087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 124000087 is about 11135.5326320747. The cubic root of 124000087 is about 498.6632118467.

The spelling of 124000087 in words is "one hundred twenty-four million, eighty-seven", and thus it is an aban number.