1200928 has 12 divisors (see below), whose sum is σ = 2364390. Its totient is φ = 600448.

The previous prime is 1200917. The next prime is 1200929. The reversal of 1200928 is 8290021.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 8464 = 1092^2 + 92^2 .

It is a super-2 number, since 2×1200928² = 2884456122368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200899 and 1200908.

It is not an unprimeable number, because it can be changed into a prime (1200929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18733 + ... + 18796.

2^1200928 is an apocalyptic number.

It is an amenable number.

1200928 is a deficient number, since it is larger than the sum of its proper divisors (1163462).

1200928 is an equidigital number, since it uses as much as digits as its factorization.

1200928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37539 (or 37531 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1200928 is about 1095.8686052625. The cubic root of 1200928 is about 106.2932428364.

Adding to 1200928 its product of nonzero digits (288), we get a square (1201216 = 1096²).

Adding to 1200928 its reverse (8290021), we get a palindrome (9490949).

The spelling of 1200928 in words is "one million, two hundred thousand, nine hundred twenty-eight".