102143020 has 48 divisors (see below), whose sum is σ = 245867328. Its totient is φ = 34917120.

The previous prime is 102143011. The next prime is 102143029. The reversal of 102143020 is 20341201.

It is an interprime number because it is at equal distance from previous prime (102143011) and next prime (102143029).

It is not an unprimeable number, because it can be changed into a prime (102143029) 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 15 ways as a sum of consecutive naturals, for example, 58074 + ... + 59806.

It is an arithmetic number, because the mean of its divisors is an integer number (5122236).

Almost surely, 2^102143020 is an apocalyptic number.

102143020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102143020 is an abundant number, since it is smaller than the sum of its proper divisors (143724308).

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

102143020 is a wasteful number, since it uses less digits than its factorization.

102143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102143020 is about 10106.5830031717. The cubic root of 102143020 is about 467.4511487746.

Adding to 102143020 its reverse (20341201), we get a palindrome (122484221).

The spelling of 102143020 in words is "one hundred two million, one hundred forty-three thousand, twenty".