1203916 has 48 divisors (see below), whose sum is σ = 2652160. Its totient is φ = 466560.

The previous prime is 1203913. The next prime is 1203919. The reversal of 1203916 is 6193021.

It is an interprime number because it is at equal distance from previous prime (1203913) and next prime (1203919).

It is not an unprimeable number, because it can be changed into a prime (1203913) 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, 16456 + ... + 16528.

2^1203916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326080).

1203916 is an abundant number, since it is smaller than the sum of its proper divisors (1448244).

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

1203916 is a wasteful number, since it uses less digits than its factorization.

1203916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1203916 is about 1097.2310604426. The cubic root of 1203916 is about 106.3813250432.

Adding to 1203916 its reverse (6193021), we get a palindrome (7396937).

The spelling of 1203916 in words is "one million, two hundred three thousand, nine hundred sixteen".