1121356 has 6 divisors (see below), whose sum is σ = 1962380. Its totient is φ = 560676.

The previous prime is 1121347. The next prime is 1121357. The reversal of 1121356 is 6531211.

It is not an unprimeable number, because it can be changed into a prime (1121357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140166 + ... + 140173.

2^1121356 is an apocalyptic number.

It is an amenable number.

1121356 is a deficient number, since it is larger than the sum of its proper divisors (841024).

1121356 is a wasteful number, since it uses less digits than its factorization.

1121356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280343 (or 280341 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 1121356 is about 1058.9409804139. The cubic root of 1121356 is about 103.8917759796.

Adding to 1121356 its reverse (6531211), we get a palindrome (7652567).

The spelling of 1121356 in words is "one million, one hundred twenty-one thousand, three hundred fifty-six".