1203240320 has 64 divisors (see below), whose sum is σ = 2885274000. Its totient is φ = 479827968.

The previous prime is 1203240317. The next prime is 1203240323. The reversal of 1203240320 is 230423021.

It is an interprime number because it is at equal distance from previous prime (1203240317) and next prime (1203240323).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203240323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220667 + ... + 226053.

Almost surely, 2^1203240320 is an apocalyptic number.

1203240320 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 1203240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442637000).

1203240320 is an abundant number, since it is smaller than the sum of its proper divisors (1682033680).

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

1203240320 is an equidigital number, since it uses as much as digits as its factorization.

1203240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755 (or 5743 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1203240320 is about 34687.7546116782. The cubic root of 1203240320 is about 1063.6141967191.

Adding to 1203240320 its reverse (230423021), we get a palindrome (1433663341).

The spelling of 1203240320 in words is "one billion, two hundred three million, two hundred forty thousand, three hundred twenty".