1203264 has 42 divisors (see below), whose sum is σ = 3450590. Its totient is φ = 400896.

The previous prime is 1203263. The next prime is 1203283. The reversal of 1203264 is 4623021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 36864 = 1080^2 + 192^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1203263) 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 in 5 ways as a sum of consecutive naturals, for example, 469 + ... + 1620.

2^1203264 is an apocalyptic number.

It is an amenable number.

1203264 is an abundant number, since it is smaller than the sum of its proper divisors (2247326).

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

1203264 is a wasteful number, since it uses less digits than its factorization.

1203264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1203264 is about 1096.9339086745. The cubic root of 1203264 is about 106.3621174050.

Adding to 1203264 its reverse (4623021), we get a palindrome (5826285).

The spelling of 1203264 in words is "one million, two hundred three thousand, two hundred sixty-four".