1203382656 has 192 divisors, whose sum is σ = 4104871680. Its totient is φ = 343761408.

The previous prime is 1203382639. The next prime is 1203382673. The reversal of 1203382656 is 6562833021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1203382639) and next prime (1203382673).

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×1203382656² = 2896259633523228672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1203382656.

It is a congruent number.

It is an unprimeable number.

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, 214965 + ... + 220491.

It is an arithmetic number, because the mean of its divisors is an integer number (21379540).

Almost surely, 2^1203382656 is an apocalyptic number.

1203382656 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 1203382656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2052435840).

1203382656 is an abundant number, since it is smaller than the sum of its proper divisors (2901489024).

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

1203382656 is an frugal number, since it uses more digits than its factorization.

1203382656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563 (or 5539 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1203382656 is about 34689.8062260371. The cubic root of 1203382656 is about 1063.6561347589.

The spelling of 1203382656 in words is "one billion, two hundred three million, three hundred eighty-two thousand, six hundred fifty-six".