1020626 has 8 divisors (see below), whose sum is σ = 1583820. Its totient is φ = 492688.

The previous prime is 1020619. The next prime is 1020631. The reversal of 1020626 is 6260201.

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 89401 = 965^2 + 299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8741 + ... + 8856.

2^1020626 is an apocalyptic number.

1020626 is a deficient number, since it is larger than the sum of its proper divisors (563194).

1020626 is a wasteful number, since it uses less digits than its factorization.

1020626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17628.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1020626 is about 1010.2603624809. The cubic root of 1020626 is about 100.6828597452.

Adding to 1020626 its reverse (6260201), we get a palindrome (7280827).

It can be divided in two parts, 10206 and 26, that multiplied together give a triangular number (265356 = T₇₂₈).

The spelling of 1020626 in words is "one million, twenty thousand, six hundred twenty-six".