1221032 has 8 divisors (see below), whose sum is σ = 2289450. Its totient is φ = 610512.

The previous prime is 1221029. The next prime is 1221049. The reversal of 1221032 is 2301221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 682276 + 538756 = 826^2 + 734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76307 + ... + 76322.

2^1221032 is an apocalyptic number.

It is an amenable number.

1221032 is a deficient number, since it is larger than the sum of its proper divisors (1068418).

1221032 is a wasteful number, since it uses less digits than its factorization.

1221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152635 (or 152631 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1221032 is about 1105.0031674163. The cubic root of 1221032 is about 106.8830935585.

Adding to 1221032 its reverse (2301221), we get a palindrome (3522253).

The spelling of 1221032 in words is "one million, two hundred twenty-one thousand, thirty-two".