1020512 has 12 divisors (see below), whose sum is σ = 2009196. Its totient is φ = 510240.

The previous prime is 1020491. The next prime is 1020517. The reversal of 1020512 is 2150201.

It is a junction number, because it is equal to n+sod(n) for n = 1020493 and 1020502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15914 + ... + 15977.

It is an arithmetic number, because the mean of its divisors is an integer number (167433).

2^1020512 is an apocalyptic number.

It is an amenable number.

1020512 is a deficient number, since it is larger than the sum of its proper divisors (988684).

1020512 is an equidigital number, since it uses as much as digits as its factorization.

1020512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31901 (or 31893 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1020512 is about 1010.2039398062. The cubic root of 1020512 is about 100.6791109761.

Adding to 1020512 its reverse (2150201), we get a palindrome (3170713).

It can be divided in two parts, 10 and 20512, that multiplied together give a triangular number (205120 = T₆₄₀).

The spelling of 1020512 in words is "one million, twenty thousand, five hundred twelve".