1103271648 has 48 divisors (see below), whose sum is σ = 2989518336. Its totient is φ = 355893120.

The previous prime is 1103271643. The next prime is 1103271677. The reversal of 1103271648 is 8461723011.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103271643) 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, 182386 + ... + 188337.

It is an arithmetic number, because the mean of its divisors is an integer number (62281632).

Almost surely, 2^1103271648 is an apocalyptic number.

It is an amenable number.

1103271648 is an abundant number, since it is smaller than the sum of its proper divisors (1886246688).

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

1103271648 is a wasteful number, since it uses less digits than its factorization.

1103271648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370767 (or 370759 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1103271648 is about 33215.5332337146. The cubic root of 1103271648 is about 1033.3025137761.

Adding to 1103271648 its reverse (8461723011), we get a palindrome (9564994659).

The spelling of 1103271648 in words is "one billion, one hundred three million, two hundred seventy-one thousand, six hundred forty-eight".