1020600 has 168 divisors, whose sum is σ = 4065960. Its totient is φ = 233280.

The previous prime is 1020599. The next prime is 1020619. The reversal of 1020600 is 60201.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

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 41 ways as a sum of consecutive naturals, for example, 145797 + ... + 145803.

2^1020600 is an apocalyptic number.

1020600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032980).

1020600 is an abundant number, since it is smaller than the sum of its proper divisors (3045360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020600 is an equidigital number, since it uses as much as digits as its factorization.

1020600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1020600 is about 1010.2474944290. The cubic root of 1020600 is about 100.6820047873.

Adding to 1020600 its reverse (60201), we get a palindrome (1080801).

The spelling of 1020600 in words is "one million, twenty thousand, six hundred".