1452420 has 36 divisors (see below), whose sum is σ = 4406220. Its totient is φ = 387264.

The previous prime is 1452419. The next prime is 1452421. The reversal of 1452420 is 242541.

It is an interprime number because it is at equal distance from previous prime (1452419) and next prime (1452421).

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 1285956 = 408^2 + 1134^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1452393 and 1452402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3855 + ... + 4214.

It is an arithmetic number, because the mean of its divisors is an integer number (122395).

2^1452420 is an apocalyptic number.

1452420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452420 is an abundant number, since it is smaller than the sum of its proper divisors (2953800).

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

1452420 is a wasteful number, since it uses less digits than its factorization.

1452420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084 (or 8079 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1452420 is about 1205.1638892698. The cubic root of 1452420 is about 113.2480519525.

Adding to 1452420 its reverse (242541), we get a palindrome (1694961).

The spelling of 1452420 in words is "one million, four hundred fifty-two thousand, four hundred twenty".