1152256200 has 48 divisors (see below), whose sum is σ = 3571996080. Its totient is φ = 307268160.

The previous prime is 1152256129. The next prime is 1152256201. The reversal of 1152256200 is 26522511.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1152256201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 959614 + ... + 960813.

It is an arithmetic number, because the mean of its divisors is an integer number (74416585).

Almost surely, 2^1152256200 is an apocalyptic number.

1152256200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152256200 is an abundant number, since it is smaller than the sum of its proper divisors (2419739880).

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

1152256200 is a wasteful number, since it uses less digits than its factorization.

1152256200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920446 (or 1920437 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1152256200 is about 33944.8994695816. The cubic root of 1152256200 is about 1048.3742641855.

Adding to 1152256200 its reverse (26522511), we get a palindrome (1178778711).

The spelling of 1152256200 in words is "one billion, one hundred fifty-two million, two hundred fifty-six thousand, two hundred".