1203301616 has 160 divisors (see below), whose sum is σ = 2889457920. Its totient is φ = 478310400.

The previous prime is 1203301609. The next prime is 1203301639. The reversal of 1203301616 is 6161033021.

It is a happy number.

It is a super-2 number, since 2×1203301616² = 2895869558136422912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203301591 and 1203301600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3467555 + ... + 3467901.

It is an arithmetic number, because the mean of its divisors is an integer number (18059112).

Almost surely, 2^1203301616 is an apocalyptic number.

1203301616 is a gapful number since it is divisible by the number (16) 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 1203301616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444728960).

1203301616 is an abundant number, since it is smaller than the sum of its proper divisors (1686156304).

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

1203301616 is a wasteful number, since it uses less digits than its factorization.

1203301616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1203301616 is about 34688.6381398867. The cubic root of 1203301616 is about 1063.6322574472.

Adding to 1203301616 its reverse (6161033021), we get a palindrome (7364334637).

The spelling of 1203301616 in words is "one billion, two hundred three million, three hundred one thousand, six hundred sixteen".