1221174 has 12 divisors (see below), whose sum is σ = 2645916. Its totient is φ = 407052.

The previous prime is 1221167. The next prime is 1221193. The reversal of 1221174 is 4711221.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67843 = 1221174 / (1 + 2 + 2 + 1 + 1 + 7 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33904 + ... + 33939.

It is an arithmetic number, because the mean of its divisors is an integer number (220493).

2^1221174 is an apocalyptic number.

1221174 is an abundant number, since it is smaller than the sum of its proper divisors (1424742).

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

1221174 is a wasteful number, since it uses less digits than its factorization.

1221174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67851 (or 67848 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 1221174 is about 1105.0674187578. The cubic root of 1221174 is about 106.8872367234.

Adding to 1221174 its reverse (4711221), we get a palindrome (5932395).

It can be divided in two parts, 122 and 1174, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1221174 in words is "one million, two hundred twenty-one thousand, one hundred seventy-four".