102118320 has 280 divisors, whose sum is σ = 380573856. Its totient is φ = 25380864.

The previous prime is 102118301. The next prime is 102118327. The reversal of 102118320 is 23811201.

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 = 102118293 and 102118302.

It is not an unprimeable number, because it can be changed into a prime (102118327) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 991389 + ... + 991491.

Almost surely, 2^102118320 is an apocalyptic number.

102118320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102118320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190286928).

102118320 is an abundant number, since it is smaller than the sum of its proper divisors (278455536).

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

102118320 is a wasteful number, since it uses less digits than its factorization.

102118320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 102118320 is about 10105.3609534742. The cubic root of 102118320 is about 467.4134664015.

Adding to 102118320 its reverse (23811201), we get a palindrome (125929521).

The spelling of 102118320 in words is "one hundred two million, one hundred eighteen thousand, three hundred twenty".