1201233552 has 160 divisors (see below), whose sum is σ = 3299788800. Its totient is φ = 376137216.

The previous prime is 1201233529. The next prime is 1201233587. The reversal of 1201233552 is 2553321021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8641899 + ... + 8642037.

It is an arithmetic number, because the mean of its divisors is an integer number (20623680).

Almost surely, 2^1201233552 is an apocalyptic number.

1201233552 is a gapful number since it is divisible by the number (12) 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 1201233552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649894400).

1201233552 is an abundant number, since it is smaller than the sum of its proper divisors (2098555248).

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

1201233552 is a wasteful number, since it uses less digits than its factorization.

1201233552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1201233552 is about 34658.8163675565. The cubic root of 1201233552 is about 1063.0225679866.

Adding to 1201233552 its reverse (2553321021), we get a palindrome (3754554573).

The spelling of 1201233552 in words is "one billion, two hundred one million, two hundred thirty-three thousand, five hundred fifty-two".