1020056 has 8 divisors (see below), whose sum is σ = 1912620. Its totient is φ = 510024.

The previous prime is 1020049. The next prime is 1020059. The reversal of 1020056 is 6500201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1020056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63746 + ... + 63761.

2^1020056 is an apocalyptic number.

It is an amenable number.

1020056 is a deficient number, since it is larger than the sum of its proper divisors (892564).

1020056 is a wasteful number, since it uses less digits than its factorization.

1020056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127513 (or 127509 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1020056 is about 1009.9782175869. The cubic root of 1020056 is about 100.6641131076.

Adding to 1020056 its reverse (6500201), we get a palindrome (7520257).

The spelling of 1020056 in words is "one million, twenty thousand, fifty-six".