1121212 has 6 divisors (see below), whose sum is σ = 1962128. Its totient is φ = 560604.

The previous prime is 1121203. The next prime is 1121221. The reversal of 1121212 is 2121211.

It is an interprime number because it is at equal distance from previous prime (1121203) and next prime (1121221).

It is a nude number because it is divisible by every one of its digits.

1121212 is a modest number, since divided by 1212 gives 112 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140148 + ... + 140155.

2^1121212 is an apocalyptic number.

It is an amenable number.

1121212 is a deficient number, since it is larger than the sum of its proper divisors (840916).

1121212 is a wasteful number, since it uses less digits than its factorization.

1121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280307 (or 280305 counting only the distinct ones).

The product of its digits is 8, while the sum is 10.

The square root of 1121212 is about 1058.8729857731. The cubic root of 1121212 is about 103.8873286688.

Adding to 1121212 its reverse (2121211), we get a palindrome (3242423).

Subtracting 1121212 from its reverse (2121211), we obtain a palindrome (999999).

It can be divided in two parts, 11 and 21212, that multiplied together give a palindrome (233332).

The spelling of 1121212 in words is "one million, one hundred twenty-one thousand, two hundred twelve".