1022012 has 6 divisors (see below), whose sum is σ = 1788528. Its totient is φ = 511004.

The previous prime is 1022011. The next prime is 1022017. The reversal of 1022012 is 2102201.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127748 + ... + 127755.

It is an arithmetic number, because the mean of its divisors is an integer number (298088).

2^1022012 is an apocalyptic number.

It is an amenable number.

1022012 is a deficient number, since it is larger than the sum of its proper divisors (766516).

1022012 is a wasteful number, since it uses less digits than its factorization.

1022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255507 (or 255505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1022012 is about 1010.9460915400. The cubic root of 1022012 is about 100.7284145725.

Adding to 1022012 its reverse (2102201), we get a palindrome (3124213).

It can be divided in two parts, 102201 and 2, that multiplied together give a palindrome (204402).

The spelling of 1022012 in words is "one million, twenty-two thousand, twelve".