1003255642 has 8 divisors (see below), whose sum is σ = 1509196500. Its totient is φ = 500190144.

The previous prime is 1003255639. The next prime is 1003255711. The reversal of 1003255642 is 2465523001.

It can be written as a sum of positive squares in 2 ways, for example, as 1003052241 + 203401 = 31671^2 + 451^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1003255642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717967 + ... + 719362.

Almost surely, 2^1003255642 is an apocalyptic number.

1003255642 is a deficient number, since it is larger than the sum of its proper divisors (505940858).

1003255642 is a wasteful number, since it uses less digits than its factorization.

1003255642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437680.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1003255642 is about 31674.2109925409. The cubic root of 1003255642 is about 1001.0840384360.

Adding to 1003255642 its reverse (2465523001), we get a palindrome (3468778643).

The spelling of 1003255642 in words is "one billion, three million, two hundred fifty-five thousand, six hundred forty-two".