1203040 has 48 divisors (see below), whose sum is σ = 2909088. Its totient is φ = 470016.

The previous prime is 1203019. The next prime is 1203067. The reversal of 1203040 is 403021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11629 + ... + 11731.

It is an arithmetic number, because the mean of its divisors is an integer number (60606).

2^1203040 is an apocalyptic number.

1203040 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 1203040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454544).

1203040 is an abundant number, since it is smaller than the sum of its proper divisors (1706048).

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

1203040 is a wasteful number, since it uses less digits than its factorization.

1203040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1203040 is about 1096.8318011436. The cubic root of 1203040 is about 106.3555168605.

Adding to 1203040 its reverse (403021), we get a palindrome (1606061).

It can be divided in two parts, 120 and 3040, that added together give a triangular number (3160 = T₇₉).

The spelling of 1203040 in words is "one million, two hundred three thousand, forty".