1221094 has 8 divisors (see below), whose sum is σ = 2093328. Its totient is φ = 523320.

The previous prime is 1221089. The next prime is 1221097. The reversal of 1221094 is 4901221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221097) 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, 43597 + ... + 43624.

It is an arithmetic number, because the mean of its divisors is an integer number (261666).

2^1221094 is an apocalyptic number.

1221094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1221094 is a deficient number, since it is larger than the sum of its proper divisors (872234).

1221094 is an equidigital number, since it uses as much as digits as its factorization.

1221094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87230.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1221094 is about 1105.0312212784. The cubic root of 1221094 is about 106.8849025855.

The spelling of 1221094 in words is "one million, two hundred twenty-one thousand, ninety-four".