1453120 has 56 divisors (see below), whose sum is σ = 3657600. Its totient is φ = 548352.

The previous prime is 1453093. The next prime is 1453129. The reversal of 1453120 is 213541.

It is a super-2 number, since 2×1453120² = 4223115468800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1453094 and 1453103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453129) 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, 5961 + ... + 6199.

2^1453120 is an apocalyptic number.

1453120 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 1453120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828800).

1453120 is an abundant number, since it is smaller than the sum of its proper divisors (2204480).

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

1453120 is a wasteful number, since it uses less digits than its factorization.

1453120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1453120 is about 1205.4542712189. The cubic root of 1453120 is about 113.2662424907.

Adding to 1453120 its reverse (213541), we get a palindrome (1666661).

The spelling of 1453120 in words is "one million, four hundred fifty-three thousand, one hundred twenty".