1101992 has 16 divisors (see below), whose sum is σ = 2083200. Its totient is φ = 546480.

The previous prime is 1101967. The next prime is 1102001. The reversal of 1101992 is 2991011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (130200).

2^1101992 is an apocalyptic number.

It is an amenable number.

1101992 is a deficient number, since it is larger than the sum of its proper divisors (981208).

1101992 is a wasteful number, since it uses less digits than its factorization.

1101992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 1101992 is about 1049.7580673660. The cubic root of 1101992 is about 103.2902861510.

It can be divided in two parts, 11019 and 92, that added together give a palindrome (11111).

The spelling of 1101992 in words is "one million, one hundred one thousand, nine hundred ninety-two".