102578983 has 4 divisors (see below), whose sum is σ = 110469688. Its totient is φ = 94688280.

The previous prime is 102578977. The next prime is 102579013. The reversal of 102578983 is 389875201.

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

It is a cyclic number.

It is not a de Polignac number, because 102578983 - 2⁹ = 102578471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102578963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3945333 + ... + 3945358.

It is an arithmetic number, because the mean of its divisors is an integer number (27617422).

Almost surely, 2^102578983 is an apocalyptic number.

102578983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102578983 is a deficient number, since it is larger than the sum of its proper divisors (7890705).

102578983 is an equidigital number, since it uses as much as digits as its factorization.

102578983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890704.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 102578983 is about 10128.1283068492. The cubic root of 102578983 is about 468.1152573042.

It can be divided in two parts, 1025 and 78983, that added together give a palindrome (80008).

The spelling of 102578983 in words is "one hundred two million, five hundred seventy-eight thousand, nine hundred eighty-three".