102040110 has 48 divisors (see below), whose sum is σ = 266516640. Its totient is φ = 27086400.

The previous prime is 102040093. The next prime is 102040157. The reversal of 102040110 is 11040201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102040092 and 102040101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18135 + ... + 23085.

It is an arithmetic number, because the mean of its divisors is an integer number (5552430).

Almost surely, 2^102040110 is an apocalyptic number.

102040110 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 102040110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133258320).

102040110 is an abundant number, since it is smaller than the sum of its proper divisors (164476530).

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

102040110 is a wasteful number, since it uses less digits than its factorization.

102040110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193 (or 5190 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 102040110 is about 10101.4904840820. The cubic root of 102040110 is about 467.2941089615.

Adding to 102040110 its reverse (11040201), we get a palindrome (113080311).

Subtracting from 102040110 its reverse (11040201), we obtain a palindrome (90999909).

The spelling of 102040110 in words is "one hundred two million, forty thousand, one hundred ten".