102004140 has 48 divisors (see below), whose sum is σ = 326414592. Its totient is φ = 23315136.

The previous prime is 102004121. The next prime is 102004159. The reversal of 102004140 is 41400201.

It is an interprime number because it is at equal distance from previous prime (102004121) and next prime (102004159).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 121014 + ... + 121853.

It is an arithmetic number, because the mean of its divisors is an integer number (6800304).

Almost surely, 2^102004140 is an apocalyptic number.

102004140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102004140 is an abundant number, since it is smaller than the sum of its proper divisors (224410452).

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

102004140 is a wasteful number, since it uses less digits than its factorization.

102004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242886 (or 242884 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102004140 is about 10099.7098968238. The cubic root of 102004140 is about 467.2391941359.

Adding to 102004140 its reverse (41400201), we get a palindrome (143404341).

The spelling of 102004140 in words is "one hundred two million, four thousand, one hundred forty".