1043156212 has 12 divisors (see below), whose sum is σ = 2086312480. Its totient is φ = 447066936.

The previous prime is 1043156171. The next prime is 1043156263. The reversal of 1043156212 is 2126513401.

It is a happy number.

1043156212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18627762 + ... + 18627817.

Almost surely, 2^1043156212 is an apocalyptic number.

It is an amenable number.

1043156212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1043156212 is a wasteful number, since it uses less digits than its factorization.

1043156212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37255590 (or 37255588 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1043156212 is about 32297.9289119287. The cubic root of 1043156212 is about 1014.1832872981.

Adding to 1043156212 its reverse (2126513401), we get a palindrome (3169669613).

The spelling of 1043156212 in words is "one billion, forty-three million, one hundred fifty-six thousand, two hundred twelve".