1103023120 has 40 divisors (see below), whose sum is σ = 2652966360. Its totient is φ = 425994240.

The previous prime is 1103023073. The next prime is 1103023157. The reversal of 1103023120 is 213203011.

It can be written as a sum of positive squares in 4 ways, for example, as 303038464 + 799984656 = 17408^2 + 28284^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1103023120.

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 7 ways as a sum of consecutive naturals, for example, 235401 + ... + 240040.

It is an arithmetic number, because the mean of its divisors is an integer number (66324159).

Almost surely, 2^1103023120 is an apocalyptic number.

1103023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103023120 is an abundant number, since it is smaller than the sum of its proper divisors (1549943240).

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

1103023120 is a wasteful number, since it uses less digits than its factorization.

1103023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475483 (or 475477 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1103023120 is about 33211.7918818001. The cubic root of 1103023120 is about 1033.2249191381.

Adding to 1103023120 its reverse (213203011), we get a palindrome (1316226131).

The spelling of 1103023120 in words is "one billion, one hundred three million, twenty-three thousand, one hundred twenty".