1152452100 has 144 divisors (see below), whose sum is σ = 3571646400. Its totient is φ = 285880320.

The previous prime is 1152452071. The next prime is 1152452101. The reversal of 1152452100 is 12542511.

It is not an unprimeable number, because it can be changed into a prime (1152452101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 452631 + ... + 455169.

It is an arithmetic number, because the mean of its divisors is an integer number (24803100).

Almost surely, 2^1152452100 is an apocalyptic number.

1152452100 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 1152452100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785823200).

1152452100 is an abundant number, since it is smaller than the sum of its proper divisors (2419194300).

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

1152452100 is a wasteful number, since it uses less digits than its factorization.

1152452100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1152452100 is about 33947.7849056459. The cubic root of 1152452100 is about 1048.4336736815.

Adding to 1152452100 its reverse (12542511), we get a palindrome (1164994611).

The spelling of 1152452100 in words is "one billion, one hundred fifty-two million, four hundred fifty-two thousand, one hundred".