1203020 has 48 divisors (see below), whose sum is σ = 3114048. Its totient is φ = 380160.

The previous prime is 1203019. The next prime is 1203067. The reversal of 1203020 is 203021.

It is a junction number, because it is equal to n+sod(n) for n = 1202989 and 1203007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1490 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (64876).

2^1203020 is an apocalyptic number.

1203020 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 1203020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557024).

1203020 is an abundant number, since it is smaller than the sum of its proper divisors (1911028).

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

1203020 is a wasteful number, since it uses less digits than its factorization.

1203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1203020 is about 1096.8226839376. The cubic root of 1203020 is about 106.3549274863.

Adding to 1203020 its reverse (203021), we get a palindrome (1406041).

Subtracting from 1203020 its reverse (203021), we obtain a palindrome (999999).

The spelling of 1203020 in words is "one million, two hundred three thousand, twenty".