1000049812 has 12 divisors (see below), whose sum is σ = 1751860096. Its totient is φ = 499518360.

The previous prime is 1000049807. The next prime is 1000049917. The reversal of 1000049812 is 2189400001.

It is a happy number.

It is a congruent number.

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, 122178 + ... + 130105.

Almost surely, 2^1000049812 is an apocalyptic number.

It is an amenable number.

1000049812 is a deficient number, since it is larger than the sum of its proper divisors (751810284).

1000049812 is a wasteful number, since it uses less digits than its factorization.

1000049812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253278 (or 253276 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1000049812 is about 31623.5641887501. The cubic root of 1000049812 is about 1000.0166037243.

Adding to 1000049812 its reverse (2189400001), we get a palindrome (3189449813).

The spelling of 1000049812 in words is "one billion, forty-nine thousand, eight hundred twelve".