1203187968 has 216 divisors, whose sum is σ = 3642702336. Its totient is φ = 381542400.

The previous prime is 1203187961. The next prime is 1203187987. The reversal of 1203187968 is 8697813021.

It is a Cunningham number, because it is equal to 34687²-1.

It is a super-2 number, since 2×1203187968² = 2895322572679938048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203187961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4439673 + ... + 4439943.

Almost surely, 2^1203187968 is an apocalyptic number.

1203187968 is a gapful number since it is divisible by the number (18) 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 1203187968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1821351168).

1203187968 is an abundant number, since it is smaller than the sum of its proper divisors (2439514368).

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

1203187968 is a wasteful number, since it uses less digits than its factorization.

1203187968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1203187968 is about 34686.9999855854. Note that the first 4 decimals coincide. The cubic root of 1203187968 is about 1063.5987708348.

It can be divided in two parts, 12031 and 87968, that added together give a palindrome (99999).

The spelling of 1203187968 in words is "one billion, two hundred three million, one hundred eighty-seven thousand, nine hundred sixty-eight".