1121412 has 24 divisors (see below), whose sum is σ = 2642976. Its totient is φ = 370048.

The previous prime is 1121389. The next prime is 1121423. The reversal of 1121412 is 2141211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (110124).

2^1121412 is an apocalyptic number.

1121412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121412 is an abundant number, since it is smaller than the sum of its proper divisors (1521564).

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

1121412 is a wasteful number, since it uses less digits than its factorization.

1121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 945 counting only the distinct ones).

The product of its digits is 16, while the sum is 12.

The square root of 1121412 is about 1058.9674215952. The cubic root of 1121412 is about 103.8935053866.

Adding to 1121412 its reverse (2141211), we get a palindrome (3262623).

It can be divided in two parts, 11 and 21412, that multiplied together give a palindrome (235532).

The spelling of 1121412 in words is "one million, one hundred twenty-one thousand, four hundred twelve".