1103066420 has 24 divisors (see below), whose sum is σ = 2452701384. Its totient is φ = 415271936.

The previous prime is 1103066411. The next prime is 1103066429. The reversal of 1103066420 is 246603011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1103066411) and next prime (1103066429).

It can be written as a sum of positive squares in 4 ways, for example, as 438148624 + 664917796 = 20932^2 + 25786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103066429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621817 + ... + 1622496.

It is an arithmetic number, because the mean of its divisors is an integer number (102195891).

Almost surely, 2^1103066420 is an apocalyptic number.

1103066420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103066420 is an abundant number, since it is smaller than the sum of its proper divisors (1349634964).

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

1103066420 is a wasteful number, since it uses less digits than its factorization.

1103066420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244339 (or 3244337 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1103066420 is about 33212.4437523046. The cubic root of 1103066420 is about 1033.2384389676.

Adding to 1103066420 its reverse (246603011), we get a palindrome (1349669431).

The spelling of 1103066420 in words is "one billion, one hundred three million, sixty-six thousand, four hundred twenty".