1152505000 has 40 divisors (see below), whose sum is σ = 2700330930. Its totient is φ = 461000000.

The previous prime is 1152504973. The next prime is 1152505027. The reversal of 1152505000 is 5052511.

It is an interprime number because it is at equal distance from previous prime (1152504973) and next prime (1152505027).

It can be written as a sum of positive squares in 5 ways, for example, as 22335076 + 1130169924 = 4726^2 + 33618^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 9 ways as a sum of consecutive naturals, for example, 110251 + ... + 120250.

Almost surely, 2^1152505000 is an apocalyptic number.

1152505000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152505000 is an abundant number, since it is smaller than the sum of its proper divisors (1547825930).

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

1152505000 is an equidigital number, since it uses as much as digits as its factorization.

1152505000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230527 (or 230508 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1152505000 is about 33948.5640344330. The cubic root of 1152505000 is about 1048.4497152138.

Adding to 1152505000 its reverse (5052511), we get a palindrome (1157557511).

The spelling of 1152505000 in words is "one billion, one hundred fifty-two million, five hundred five thousand".