1001530242 has 72 divisors (see below), whose sum is σ = 2320381440. Its totient is φ = 312109200.

The previous prime is 1001530219. The next prime is 1001530249. The reversal of 1001530242 is 2420351001.

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

It is not an unprimeable number, because it can be changed into a prime (1001530249) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 512367 + ... + 514317.

It is an arithmetic number, because the mean of its divisors is an integer number (32227520).

Almost surely, 2^1001530242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001530242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160190720).

1001530242 is an abundant number, since it is smaller than the sum of its proper divisors (1318851198).

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

1001530242 is a wasteful number, since it uses less digits than its factorization.

1001530242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1001530242 is about 31646.9626030682. The cubic root of 1001530242 is about 1000.5098207053.

Adding to 1001530242 its reverse (2420351001), we get a palindrome (3421881243).

The spelling of 1001530242 in words is "one billion, one million, five hundred thirty thousand, two hundred forty-two".