1452320 has 48 divisors (see below), whose sum is σ = 3560760. Its totient is φ = 559104.

The previous prime is 1452317. The next prime is 1452323. The reversal of 1452320 is 232541.

It is an interprime number because it is at equal distance from previous prime (1452317) and next prime (1452323).

It can be written as a sum of positive squares in 4 ways, for example, as 698896 + 753424 = 836^2 + 868^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1452323) 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 7 ways as a sum of consecutive naturals, for example, 4484 + ... + 4796.

2^1452320 is an apocalyptic number.

1452320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1452320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780380).

1452320 is an abundant number, since it is smaller than the sum of its proper divisors (2108440).

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

1452320 is a wasteful number, since it uses less digits than its factorization.

1452320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1452320 is about 1205.1224004225. The cubic root of 1452320 is about 113.2454528271.

Adding to 1452320 its reverse (232541), we get a palindrome (1684861).

It can be divided in two parts, 145 and 2320, that multiplied together give a square (336400 = 580²).

The spelling of 1452320 in words is "one million, four hundred fifty-two thousand, three hundred twenty".