1452720 has 40 divisors (see below), whose sum is σ = 4504176. Its totient is φ = 387328.

The previous prime is 1452713. The next prime is 1452727. The reversal of 1452720 is 272541.

It is an interprime number because it is at equal distance from previous prime (1452713) and next prime (1452727).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1452720² = 4220790796800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1452727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 3266.

2^1452720 is an apocalyptic number.

1452720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452720 is an abundant number, since it is smaller than the sum of its proper divisors (3051456).

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

1452720 is a wasteful number, since it uses less digits than its factorization.

1452720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069 (or 6063 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1452720 is about 1205.2883472431. The cubic root of 1452720 is about 113.2558486130.

The spelling of 1452720 in words is "one million, four hundred fifty-two thousand, seven hundred twenty".