1002772 has 6 divisors (see below), whose sum is σ = 1754858. Its totient is φ = 501384.

The previous prime is 1002769. The next prime is 1002773. The reversal of 1002772 is 2772001.

1002772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 148996 = 924^2 + 386^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125343 + ... + 125350.

2^1002772 is an apocalyptic number.

It is an amenable number.

1002772 is a deficient number, since it is larger than the sum of its proper divisors (752086).

1002772 is a wasteful number, since it uses less digits than its factorization.

1002772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250697 (or 250695 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 1002772 is about 1001.3850408309. The cubic root of 1002772 is about 100.0923147536.

Adding to 1002772 its reverse (2772001), we get a palindrome (3774773).

The spelling of 1002772 in words is "one million, two thousand, seven hundred seventy-two".