103030420 has 12 divisors (see below), whose sum is σ = 216363924. Its totient is φ = 41212160.

The previous prime is 103030399. The next prime is 103030429. The reversal of 103030420 is 24030301.

It can be written as a sum of positive squares in 2 ways, for example, as 23677956 + 79352464 = 4866^2 + 8908^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103030420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103030429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575741 + ... + 2575780.

It is an arithmetic number, because the mean of its divisors is an integer number (18030327).

Almost surely, 2^103030420 is an apocalyptic number.

103030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103030420 is an abundant number, since it is smaller than the sum of its proper divisors (113333504).

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

103030420 is a wasteful number, since it uses less digits than its factorization.

103030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151530 (or 5151528 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 103030420 is about 10150.3901402852. The cubic root of 103030420 is about 468.8009575417.

Adding to 103030420 its reverse (24030301), we get a palindrome (127060721).

The spelling of 103030420 in words is "one hundred three million, thirty thousand, four hundred twenty".