102841830 has 192 divisors, whose sum is σ = 341228160. Its totient is φ = 20901888.

The previous prime is 102841799. The next prime is 102841831. The reversal of 102841830 is 38148201.

It is a junction number, because it is equal to n+sod(n) for n = 102841794 and 102841803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102841831) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 237294 + ... + 237726.

It is an arithmetic number, because the mean of its divisors is an integer number (1777230).

Almost surely, 2^102841830 is an apocalyptic number.

102841830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102841830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170614080).

102841830 is an abundant number, since it is smaller than the sum of its proper divisors (238386330).

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

102841830 is a wasteful number, since it uses less digits than its factorization.

102841830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 102841830 is about 10141.0960946044. The cubic root of 102841830 is about 468.5147470193.

The spelling of 102841830 in words is "one hundred two million, eight hundred forty-one thousand, eight hundred thirty".