1111940 has 24 divisors (see below), whose sum is σ = 2381400. Its totient is φ = 435968.

The previous prime is 1111933. The next prime is 1111949. The reversal of 1111940 is 491111.

It can be written as a sum of positive squares in 4 ways, for example, as 432964 + 678976 = 658^2 + 824^2 .

It is not an unprimeable number, because it can be changed into a prime (1111949) 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, 536 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (99225).

2^1111940 is an apocalyptic number.

1111940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111940 is an abundant number, since it is smaller than the sum of its proper divisors (1269460).

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

1111940 is a wasteful number, since it uses less digits than its factorization.

1111940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1111940 is about 1054.4856566118. The cubic root of 1111940 is about 103.6001659682.

The spelling of 1111940 in words is "one million, one hundred eleven thousand, nine hundred forty".