1000276642 has 16 divisors (see below), whose sum is σ = 1552917240. Its totient is φ = 482654592.

The previous prime is 1000276633. The next prime is 1000276649. The reversal of 1000276642 is 2466720001.

1000276642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 860776921 + 139499721 = 29339^2 + 11811^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1000276642.

It is not an unprimeable number, because it can be changed into a prime (1000276649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193078 + ... + 198190.

Almost surely, 2^1000276642 is an apocalyptic number.

1000276642 is a deficient number, since it is larger than the sum of its proper divisors (552640598).

1000276642 is a wasteful number, since it uses less digits than its factorization.

1000276642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1000276642 is about 31627.1503932934. The cubic root of 1000276642 is about 1000.0922054979.

Adding to 1000276642 its reverse (2466720001), we get a palindrome (3466996643).

The spelling of 1000276642 in words is "one billion, two hundred seventy-six thousand, six hundred forty-two".