1530612 has 72 divisors (see below), whose sum is σ = 4265352. Its totient is φ = 460800.

The previous prime is 1530611. The next prime is 1530623. The reversal of 1530612 is 2160351.

1530612 is a `hidden beast` number, since 1 + 53 + 0 + 612 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 1527696 = 54^2 + 1236^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25062 + ... + 25122.

It is an arithmetic number, because the mean of its divisors is an integer number (59241).

2^1530612 is an apocalyptic number.

1530612 is a gapful number since it is divisible by the number (12) 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 1530612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132676).

1530612 is an abundant number, since it is smaller than the sum of its proper divisors (2734740).

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

1530612 is a wasteful number, since it uses less digits than its factorization.

1530612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1530612 is about 1237.1790492891. The cubic root of 1530612 is about 115.2448971411.

Adding to 1530612 its reverse (2160351), we get a palindrome (3690963).

The spelling of 1530612 in words is "one million, five hundred thirty thousand, six hundred twelve".