1211946 has 16 divisors (see below), whose sum is σ = 2457984. Its totient is φ = 398304.

The previous prime is 1211933. The next prime is 1211983. The reversal of 1211946 is 6491121.

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 in 7 ways as a sum of consecutive naturals, for example, 946 + ... + 1821.

It is an arithmetic number, because the mean of its divisors is an integer number (153624).

2^1211946 is an apocalyptic number.

1211946 is an abundant number, since it is smaller than the sum of its proper divisors (1246038).

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

1211946 is a wasteful number, since it uses less digits than its factorization.

1211946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845.

The product of its digits is 432, while the sum is 24.

The square root of 1211946 is about 1100.8841900945. The cubic root of 1211946 is about 106.6173187532.

The spelling of 1211946 in words is "one million, two hundred eleven thousand, nine hundred forty-six".