102043650 has 24 divisors (see below), whose sum is σ = 253068624. Its totient is φ = 27211600.

The previous prime is 102043631. The next prime is 102043651. The reversal of 102043650 is 56340201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102043651) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 339996 + ... + 340295.

It is an arithmetic number, because the mean of its divisors is an integer number (10544526).

Almost surely, 2^102043650 is an apocalyptic number.

102043650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102043650 is an abundant number, since it is smaller than the sum of its proper divisors (151024974).

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

102043650 is a wasteful number, since it uses less digits than its factorization.

102043650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680306 (or 680301 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102043650 is about 10101.6657042292. The cubic root of 102043650 is about 467.2995127255.

Adding to 102043650 its reverse (56340201), we get a palindrome (158383851).

The spelling of 102043650 in words is "one hundred two million, forty-three thousand, six hundred fifty".