1002144242 has 16 divisors (see below), whose sum is σ = 1696420800. Its totient is φ = 439812240.

The previous prime is 1002144211. The next prime is 1002144281. The reversal of 1002144242 is 2424412001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784742 + ... + 786017.

It is an arithmetic number, because the mean of its divisors is an integer number (106026300).

Almost surely, 2^1002144242 is an apocalyptic number.

1002144242 is a deficient number, since it is larger than the sum of its proper divisors (694276558).

1002144242 is a wasteful number, since it uses less digits than its factorization.

1002144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570801.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1002144242 is about 31656.6618897192. The cubic root of 1002144242 is about 1000.7142370773.

Adding to 1002144242 its reverse (2424412001), we get a palindrome (3426556243).

The spelling of 1002144242 in words is "one billion, two million, one hundred forty-four thousand, two hundred forty-two".