1230464 has 16 divisors (see below), whose sum is σ = 2451570. Its totient is φ = 615168.

The previous prime is 1230461. The next prime is 1230469. The reversal of 1230464 is 4640321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 577600 = 808^2 + 760^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1230461) 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, 4679 + ... + 4934.

2^1230464 is an apocalyptic number.

It is an amenable number.

1230464 is a deficient number, since it is larger than the sum of its proper divisors (1221106).

1230464 is an frugal number, since it uses more digits than its factorization.

1230464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627 (or 9615 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1230464 is about 1109.2628182717. The cubic root of 1230464 is about 107.1575981411.

Adding to 1230464 its reverse (4640321), we get a palindrome (5870785).

The spelling of 1230464 in words is "one million, two hundred thirty thousand, four hundred sixty-four".