1153001200 has 120 divisors (see below), whose sum is σ = 3158891568. Its totient is φ = 400650240.

The previous prime is 1153001189. The next prime is 1153001203. The reversal of 1153001200 is 21003511.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153001203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81879 + ... + 94921.

Almost surely, 2^1153001200 is an apocalyptic number.

1153001200 is a gapful number since it is divisible by the number (10) 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 1153001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579445784).

1153001200 is an abundant number, since it is smaller than the sum of its proper divisors (2005890368).

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

1153001200 is a wasteful number, since it uses less digits than its factorization.

1153001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13091 (or 13080 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1153001200 is about 33955.8713626966. The cubic root of 1153001200 is about 1048.6001602893.

Adding to 1153001200 its reverse (21003511), we get a palindrome (1174004711).

The spelling of 1153001200 in words is "one billion, one hundred fifty-three million, one thousand, two hundred".