1103261256 has 32 divisors (see below), whose sum is σ = 3064615200. Its totient is φ = 367753680.

The previous prime is 1103261249. The next prime is 1103261281. The reversal of 1103261256 is 6521623011.

1103261256 is a `hidden beast` number, since 1 + 10 + 32 + 612 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2553630 + ... + 2554061.

It is an arithmetic number, because the mean of its divisors is an integer number (95769225).

Almost surely, 2^1103261256 is an apocalyptic number.

It is an amenable number.

1103261256 is an abundant number, since it is smaller than the sum of its proper divisors (1961353944).

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

1103261256 is a wasteful number, since it uses less digits than its factorization.

1103261256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107706 (or 5107696 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1103261256 is about 33215.3768005121. The cubic root of 1103261256 is about 1033.2992694517.

Adding to 1103261256 its reverse (6521623011), we get a palindrome (7624884267).

The spelling of 1103261256 in words is "one billion, one hundred three million, two hundred sixty-one thousand, two hundred fifty-six".