1221052 has 12 divisors (see below), whose sum is σ = 2442160. Its totient is φ = 523296.

The previous prime is 1221049. The next prime is 1221061. The reversal of 1221052 is 2501221.

1221052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21777 + ... + 21832.

2^1221052 is an apocalyptic number.

It is an amenable number.

1221052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1221052 is a wasteful number, since it uses less digits than its factorization.

1221052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43620 (or 43618 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1221052 is about 1105.0122171270. The cubic root of 1221052 is about 106.8836771223.

Adding to 1221052 its reverse (2501221), we get a palindrome (3722273).

The spelling of 1221052 in words is "one million, two hundred twenty-one thousand, fifty-two".