1000542012 has 24 divisors (see below), whose sum is σ = 2397696336. Its totient is φ = 324499968.

The previous prime is 1000541999. The next prime is 1000542013. The reversal of 1000542012 is 2102450001.

It is a junction number, because it is equal to n+sod(n) for n = 1000541982 and 1000542000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000542013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126293 + ... + 1127180.

It is an arithmetic number, because the mean of its divisors is an integer number (99904014).

Almost surely, 2^1000542012 is an apocalyptic number.

1000542012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000542012 is an abundant number, since it is smaller than the sum of its proper divisors (1397154324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000542012 is a wasteful number, since it uses less digits than its factorization.

1000542012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253517 (or 2253515 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1000542012 is about 31631.3454029385. The cubic root of 1000542012 is about 1000.1806380346.

Adding to 1000542012 its reverse (2102450001), we get a palindrome (3102992013).

The spelling of 1000542012 in words is "one billion, five hundred forty-two thousand, twelve".