1101000920 has 32 divisors (see below), whose sum is σ = 2622974400. Its totient is φ = 414494208.

The previous prime is 1101000917. The next prime is 1101000931. The reversal of 1101000920 is 290001011.

It is a junction number, because it is equal to n+sod(n) for n = 1101000895 and 1101000904.

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, 808880 + ... + 810239.

It is an arithmetic number, because the mean of its divisors is an integer number (81967950).

Almost surely, 2^1101000920 is an apocalyptic number.

1101000920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101000920 is an abundant number, since it is smaller than the sum of its proper divisors (1521973480).

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

1101000920 is a wasteful number, since it uses less digits than its factorization.

1101000920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619147 (or 1619143 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1101000920 is about 33181.3339092930. Note that the first 3 decimals coincide. The cubic root of 1101000920 is about 1032.5931204817.

Adding to 1101000920 its reverse (290001011), we get a palindrome (1391001931).

The spelling of 1101000920 in words is "one billion, one hundred one million, nine hundred twenty", and thus it is an aban number.