87103420 has 24 divisors (see below), whose sum is σ = 183456000. Its totient is φ = 34738752.

The previous prime is 87103403. The next prime is 87103421. The reversal of 87103420 is 2430178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87103421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (7644000).

Almost surely, 2^87103420 is an apocalyptic number.

It is an amenable number.

87103420 is an abundant number, since it is smaller than the sum of its proper divisors (96352580).

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

87103420 is a wasteful number, since it uses less digits than its factorization.

87103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12837 (or 12835 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 87103420 is about 9332.9213004289. The cubic root of 87103420 is about 443.2802707831.

Adding to 87103420 its reverse (2430178), we get a palindrome (89533598).

The spelling of 87103420 in words is "eighty-seven million, one hundred three thousand, four hundred twenty".