1020613 has 16 divisors (see below), whose sum is σ = 1193472. Its totient is φ = 864000.

The previous prime is 1020599. The next prime is 1020619. The reversal of 1020613 is 3160201.

It is a cyclic number.

It is not a de Polignac number, because 1020613 - 2⁹ = 1020101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020593 and 1020602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020619) 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 in 15 ways as a sum of consecutive naturals, for example, 13945 + ... + 14017.

It is an arithmetic number, because the mean of its divisors is an integer number (74592).

2^1020613 is an apocalyptic number.

It is an amenable number.

1020613 is a deficient number, since it is larger than the sum of its proper divisors (172859).

1020613 is a wasteful number, since it uses less digits than its factorization.

1020613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1020613 is about 1010.2539284754. The cubic root of 1020613 is about 100.6824322681.

Adding to 1020613 its reverse (3160201), we get a palindrome (4180814).

The spelling of 1020613 in words is "one million, twenty thousand, six hundred thirteen".