1075503906 has 28 divisors (see below), whose sum is σ = 2418780582. Its totient is φ = 358500816.

The previous prime is 1075503859. The next prime is 1075503941. The reversal of 1075503906 is 6093055701.

It is a happy number.

1075503906 is a `hidden beast` number, since 10 + 7 + 550 + 3 + 90 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 681679881 + 393824025 = 26109^2 + 19845^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 367371 + ... + 370286.

Almost surely, 2^1075503906 is an apocalyptic number.

1075503906 is an abundant number, since it is smaller than the sum of its proper divisors (1343276676).

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

1075503906 is an frugal number, since it uses more digits than its factorization.

1075503906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737677 (or 737662 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 1075503906 is about 32794.8762156530. The cubic root of 1075503906 is about 1024.5598446464.

The spelling of 1075503906 in words is "one billion, seventy-five million, five hundred three thousand, nine hundred six".