102842380 has 12 divisors (see below), whose sum is σ = 215969040. Its totient is φ = 41136944.

The previous prime is 102842359. The next prime is 102842423. The reversal of 102842380 is 83248201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2571040 + ... + 2571079.

It is an arithmetic number, because the mean of its divisors is an integer number (17997420).

Almost surely, 2^102842380 is an apocalyptic number.

102842380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102842380 is an abundant number, since it is smaller than the sum of its proper divisors (113126660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102842380 is a wasteful number, since it uses less digits than its factorization.

102842380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142128 (or 5142126 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 102842380 is about 10141.1232119524. The cubic root of 102842380 is about 468.5155822263.

The spelling of 102842380 in words is "one hundred two million, eight hundred forty-two thousand, three hundred eighty".