41029987 has 4 divisors (see below), whose sum is σ = 43189480. Its totient is φ = 38870496.

The previous prime is 41029973. The next prime is 41029991. The reversal of 41029987 is 78992014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78992014 = 2 ⋅39496007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41029987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41029997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079718 + ... + 1079755.

It is an arithmetic number, because the mean of its divisors is an integer number (10797370).

Almost surely, 2^41029987 is an apocalyptic number.

41029987 is a deficient number, since it is larger than the sum of its proper divisors (2159493).

41029987 is a wasteful number, since it uses less digits than its factorization.

41029987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159492.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 41029987 is about 6405.4654007340. The cubic root of 41029987 is about 344.9057699664.

The spelling of 41029987 in words is "forty-one million, twenty-nine thousand, nine hundred eighty-seven".