1121938 has 4 divisors (see below), whose sum is σ = 1682910. Its totient is φ = 560968.

The previous prime is 1121933. The next prime is 1121941. The reversal of 1121938 is 8391211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 833569 + 288369 = 913^2 + 537^2 .

It is not an unprimeable number, because it can be changed into a prime (1121933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280483 + ... + 280486.

2^1121938 is an apocalyptic number.

1121938 is a deficient number, since it is larger than the sum of its proper divisors (560972).

1121938 is an equidigital number, since it uses as much as digits as its factorization.

1121938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560971.

The product of its digits is 432, while the sum is 25.

The square root of 1121938 is about 1059.2157476171. The cubic root of 1121938 is about 103.9097466496.

The spelling of 1121938 in words is "one million, one hundred twenty-one thousand, nine hundred thirty-eight".