102051340 has 24 divisors (see below), whose sum is σ = 226914912. Its totient is φ = 38419200.

The previous prime is 102051311. The next prime is 102051343. The reversal of 102051340 is 43150201.

It is not an unprimeable number, because it can be changed into a prime (102051343) 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 7 ways as a sum of consecutive naturals, for example, 149736 + ... + 150415.

It is an arithmetic number, because the mean of its divisors is an integer number (9454788).

Almost surely, 2^102051340 is an apocalyptic number.

102051340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102051340 is an abundant number, since it is smaller than the sum of its proper divisors (124863572).

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

102051340 is a wasteful number, since it uses less digits than its factorization.

102051340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300177 (or 300175 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102051340 is about 10102.0463273537. The cubic root of 102051340 is about 467.3112509800.

The spelling of 102051340 in words is "one hundred two million, fifty-one thousand, three hundred forty".