1221196 has 12 divisors (see below), whose sum is σ = 2151352. Its totient is φ = 606528.

The previous prime is 1221193. The next prime is 1221197. The reversal of 1221196 is 6911221.

It is not an unprimeable number, because it can be changed into a prime (1221193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285 + ... + 1588.

2^1221196 is an apocalyptic number.

It is an amenable number.

1221196 is a deficient number, since it is larger than the sum of its proper divisors (930156).

1221196 is a wasteful number, since it uses less digits than its factorization.

1221196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2038 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 1221196 is about 1105.0773728568. The cubic root of 1221196 is about 106.8878785935.

The spelling of 1221196 in words is "one million, two hundred twenty-one thousand, one hundred ninety-six".