1242030328 has 128 divisors (see below), whose sum is σ = 3026419200. Its totient is φ = 463680000.

The previous prime is 1242030313. The next prime is 1242030329. The reversal of 1242030328 is 8230302421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242030329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4483726 + ... + 4484002.

It is an arithmetic number, because the mean of its divisors is an integer number (23643900).

Almost surely, 2^1242030328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242030328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513209600).

1242030328 is an abundant number, since it is smaller than the sum of its proper divisors (1784388872).

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

1242030328 is a wasteful number, since it uses less digits than its factorization.

1242030328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1242030328 is about 35242.4506525866. The cubic root of 1242030328 is about 1074.9231105633.

Adding to 1242030328 its reverse (8230302421), we get a palindrome (9472332749).

The spelling of 1242030328 in words is "one billion, two hundred forty-two million, thirty thousand, three hundred twenty-eight".