102443003 has 32 divisors (see below), whose sum is σ = 127088640. Its totient is φ = 81492480.

The previous prime is 102442997. The next prime is 102443009. The reversal of 102443003 is 300344201.

It is an interprime number because it is at equal distance from previous prime (102442997) and next prime (102443009).

It is a cyclic number.

It is not a de Polignac number, because 102443003 - 2¹⁰ = 102441979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102443009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129776 + ... + 130562.

It is an arithmetic number, because the mean of its divisors is an integer number (3971520).

Almost surely, 2^102443003 is an apocalyptic number.

102443003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102443003 is a deficient number, since it is larger than the sum of its proper divisors (24645637).

102443003 is a wasteful number, since it uses less digits than its factorization.

102443003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 102443003 is about 10121.4130930419. The cubic root of 102443003 is about 467.9083193313.

Adding to 102443003 its reverse (300344201), we get a palindrome (402787204).

The spelling of 102443003 in words is "one hundred two million, four hundred forty-three thousand, three".