102511340 has 48 divisors (see below), whose sum is σ = 220745952. Its totient is φ = 39975936.

The previous prime is 102511337. The next prime is 102511363. The reversal of 102511340 is 43115201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 151082 + ... + 151758.

It is an arithmetic number, because the mean of its divisors is an integer number (4598874).

Almost surely, 2^102511340 is an apocalyptic number.

102511340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102511340 is an abundant number, since it is smaller than the sum of its proper divisors (118234612).

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

102511340 is a wasteful number, since it uses less digits than its factorization.

102511340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 102511340 is about 10124.7883928505. The cubic root of 102511340 is about 468.0123392661.

Adding to 102511340 its reverse (43115201), we get a palindrome (145626541).

The spelling of 102511340 in words is "one hundred two million, five hundred eleven thousand, three hundred forty".