1152250000 has 140 divisors (see below), whose sum is σ = 3051523440. Its totient is φ = 418000000.

The previous prime is 1152249971. The next prime is 1152250027. The reversal of 1152250000 is 522511.

1152250000 = 258² + 259² + ... + 1514².

It is a Harshad number since it is a multiple of its sum of digits (16).

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 27 ways as a sum of consecutive naturals, for example, 2749791 + ... + 2750209.

It is an arithmetic number, because the mean of its divisors is an integer number (21796596).

Almost surely, 2^1152250000 is an apocalyptic number.

1152250000 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 1152250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525761720).

1152250000 is an abundant number, since it is smaller than the sum of its proper divisors (1899273440).

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

1152250000 is an frugal number, since it uses more digits than its factorization.

1152250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1152250000 is about 33944.8081449874. The cubic root of 1152250000 is about 1048.3723838363.

Adding to 1152250000 its reverse (522511), we get a palindrome (1152772511).

It can be divided in two parts, 1152 and 250000, that added together give a palindrome (251152).

The spelling of 1152250000 in words is "one billion, one hundred fifty-two million, two hundred fifty thousand".