1111992 has 32 divisors (see below), whose sum is σ = 3177600. Its totient is φ = 317664.

The previous prime is 1111991. The next prime is 1112003. The reversal of 1111992 is 2991111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111991) 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, 3142 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (99300).

2^1111992 is an apocalyptic number.

1111992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111992 is an abundant number, since it is smaller than the sum of its proper divisors (2065608).

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

1111992 is a wasteful number, since it uses less digits than its factorization.

1111992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635 (or 6631 counting only the distinct ones).

The product of its digits is 162, while the sum is 24.

The square root of 1111992 is about 1054.5103128941. The cubic root of 1111992 is about 103.6017809009.

It can be divided in two parts, 11119 and 92, that added together give a palindrome (11211).

The spelling of 1111992 in words is "one million, one hundred eleven thousand, nine hundred ninety-two".