102983987 has 8 divisors (see below), whose sum is σ = 106020000. Its totient is φ = 99961344.

The previous prime is 102983957. The next prime is 102983989. The reversal of 102983987 is 789389201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102983987 - 2⁸ = 102983731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102983989) 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 7 ways as a sum of consecutive naturals, for example, 13514 + ... + 19712.

It is an arithmetic number, because the mean of its divisors is an integer number (13252500).

Almost surely, 2^102983987 is an apocalyptic number.

102983987 is a deficient number, since it is larger than the sum of its proper divisors (3036013).

102983987 is an equidigital number, since it uses as much as digits as its factorization.

102983987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 102983987 is about 10148.1026305413. The cubic root of 102983987 is about 468.7305216914.

The spelling of 102983987 in words is "one hundred two million, nine hundred eighty-three thousand, nine hundred eighty-seven".