1012032556 has 12 divisors (see below), whose sum is σ = 1780234792. Its totient is φ = 503394048.

The previous prime is 1012032533. The next prime is 1012032589. The reversal of 1012032556 is 6552302101.

It is a self number, because there is not a number n which added to its sum of digits gives 1012032556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654690 + ... + 656233.

Almost surely, 2^1012032556 is an apocalyptic number.

It is an amenable number.

1012032556 is a deficient number, since it is larger than the sum of its proper divisors (768202236).

1012032556 is a wasteful number, since it uses less digits than its factorization.

1012032556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311120 (or 1311118 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1012032556 is about 31812.4591316044. The cubic root of 1012032556 is about 1003.9948717483.

Adding to 1012032556 its reverse (6552302101), we get a palindrome (7564334657).

The spelling of 1012032556 in words is "one billion, twelve million, thirty-two thousand, five hundred fifty-six".