102841020 has 36 divisors (see below), whose sum is σ = 311951640. Its totient is φ = 27424224.

The previous prime is 102840979. The next prime is 102841021. The reversal of 102841020 is 20148201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102840984 and 102841002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102841021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 285490 + ... + 285849.

Almost surely, 2^102841020 is an apocalyptic number.

102841020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102841020 is an abundant number, since it is smaller than the sum of its proper divisors (209110620).

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

102841020 is a wasteful number, since it uses less digits than its factorization.

102841020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571354 (or 571349 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 102841020 is about 10141.0561580143. The cubic root of 102841020 is about 468.5135169817.

Adding to 102841020 its reverse (20148201), we get a palindrome (122989221).

The spelling of 102841020 in words is "one hundred two million, eight hundred forty-one thousand, twenty".