124999087 has 2 divisors, whose sum is σ = 124999088. Its totient is φ = 124999086.

The previous prime is 124999073. The next prime is 124999117. The reversal of 124999087 is 780999421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124999087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124999087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124999027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62499543 + 62499544.

It is an arithmetic number, because the mean of its divisors is an integer number (62499544).

Almost surely, 2^124999087 is an apocalyptic number.

124999087 is a deficient number, since it is larger than the sum of its proper divisors (1).

124999087 is an equidigital number, since it uses as much as digits as its factorization.

124999087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 124999087 is about 11180.2990568231. The cubic root of 124999087 is about 499.9987826637.

The spelling of 124999087 in words is "one hundred twenty-four million, nine hundred ninety-nine thousand, eighty-seven".