1002424642 has 8 divisors (see below), whose sum is σ = 1504295100. Its totient is φ = 500992944.

The previous prime is 1002424597. The next prime is 1002424693. The reversal of 1002424642 is 2464242001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 928481841 + 73942801 = 30471^2 + 8599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103917 + ... + 113152.

Almost surely, 2^1002424642 is an apocalyptic number.

1002424642 is a deficient number, since it is larger than the sum of its proper divisors (501870458).

1002424642 is a wasteful number, since it uses less digits than its factorization.

1002424642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219380.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1002424642 is about 31661.0903476175. The cubic root of 1002424642 is about 1000.8075616686.

Adding to 1002424642 its reverse (2464242001), we get a palindrome (3466666643).

The spelling of 1002424642 in words is "one billion, two million, four hundred twenty-four thousand, six hundred forty-two".