1103255420 has 24 divisors (see below), whose sum is σ = 2360552544. Its totient is φ = 432975296.

The previous prime is 1103255401. The next prime is 1103255431. The reversal of 1103255420 is 245523011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519344 + ... + 521463.

It is an arithmetic number, because the mean of its divisors is an integer number (98356356).

Almost surely, 2^1103255420 is an apocalyptic number.

1103255420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103255420 is an abundant number, since it is smaller than the sum of its proper divisors (1257297124).

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

1103255420 is a wasteful number, since it uses less digits than its factorization.

1103255420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040869 (or 1040867 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1103255420 is about 33215.2889495184. The cubic root of 1103255420 is about 1033.2974474762.

Adding to 1103255420 its reverse (245523011), we get a palindrome (1348778431).

The spelling of 1103255420 in words is "one billion, one hundred three million, two hundred fifty-five thousand, four hundred twenty".