1201165152 has 192 divisors, whose sum is σ = 3622268160. Its totient is φ = 345139200.

The previous prime is 1201165109. The next prime is 1201165187. The reversal of 1201165152 is 2515611021.

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

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 31 ways as a sum of consecutive naturals, for example, 1867743 + ... + 1868385.

It is an arithmetic number, because the mean of its divisors is an integer number (18865980).

Almost surely, 2^1201165152 is an apocalyptic number.

1201165152 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 1201165152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811134080).

1201165152 is an abundant number, since it is smaller than the sum of its proper divisors (2421103008).

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

1201165152 is a wasteful number, since it uses less digits than its factorization.

1201165152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1201165152 is about 34657.8295915945. The cubic root of 1201165152 is about 1063.0023909157.

Adding to 1201165152 its reverse (2515611021), we get a palindrome (3716776173).

The spelling of 1201165152 in words is "one billion, two hundred one million, one hundred sixty-five thousand, one hundred fifty-two".