102549983 has 8 divisors (see below), whose sum is σ = 104353200. Its totient is φ = 100761408.

The previous prime is 102549959. The next prime is 102550027. The reversal of 102549983 is 389945201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102549983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102549983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102549913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10973 + ... + 18041.

It is an arithmetic number, because the mean of its divisors is an integer number (13044150).

Almost surely, 2^102549983 is an apocalyptic number.

102549983 is a deficient number, since it is larger than the sum of its proper divisors (1803217).

102549983 is an equidigital number, since it uses as much as digits as its factorization.

102549983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 102549983 is about 10126.6965492208. The cubic root of 102549983 is about 468.0711396836.

The spelling of 102549983 in words is "one hundred two million, five hundred forty-nine thousand, nine hundred eighty-three".