124141987 has 4 divisors (see below), whose sum is σ = 124689096. Its totient is φ = 123594880.

The previous prime is 124141967. The next prime is 124141999. The reversal of 124141987 is 789141421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124141987 is a prime.

It is a super-2 number, since 2×124141987² = 30822465872616338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124141957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273214 + ... + 273667.

It is an arithmetic number, because the mean of its divisors is an integer number (31172274).

Almost surely, 2^124141987 is an apocalyptic number.

124141987 is a deficient number, since it is larger than the sum of its proper divisors (547109).

124141987 is an equidigital number, since it uses as much as digits as its factorization.

124141987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547108.

The product of its digits is 16128, while the sum is 37.

The square root of 124141987 is about 11141.9023061594. The cubic root of 124141987 is about 498.8533550877.

The spelling of 124141987 in words is "one hundred twenty-four million, one hundred forty-one thousand, nine hundred eighty-seven".