1101001028 has 24 divisors (see below), whose sum is σ = 1944280800. Its totient is φ = 545504960.

The previous prime is 1101001021. The next prime is 1101001049. The reversal of 1101001028 is 8201001011.

It is not an unprimeable number, because it can be changed into a prime (1101001021) 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, 548675 + ... + 550677.

It is an arithmetic number, because the mean of its divisors is an integer number (81011700).

Almost surely, 2^1101001028 is an apocalyptic number.

It is an amenable number.

1101001028 is a deficient number, since it is larger than the sum of its proper divisors (843279772).

1101001028 is a wasteful number, since it uses less digits than its factorization.

1101001028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1101001028 is about 33181.3355367140. The cubic root of 1101001028 is about 1032.5931542449.

Adding to 1101001028 its reverse (8201001011), we get a palindrome (9302002039).

The spelling of 1101001028 in words is "one billion, one hundred one million, one thousand, twenty-eight".