1152511240 has 32 divisors (see below), whose sum is σ = 2599205760. Its totient is φ = 459928000.

The previous prime is 1152511237. The next prime is 1152511279. The reversal of 1152511240 is 421152511.

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 7 ways as a sum of consecutive naturals, for example, 16186 + ... + 50665.

It is an arithmetic number, because the mean of its divisors is an integer number (81225180).

Almost surely, 2^1152511240 is an apocalyptic number.

1152511240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152511240 is an abundant number, since it is smaller than the sum of its proper divisors (1446694520).

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

1152511240 is a wasteful number, since it uses less digits than its factorization.

1152511240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67293 (or 67289 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1152511240 is about 33948.6559380486. The cubic root of 1152511240 is about 1048.4516074151.

Adding to 1152511240 its reverse (421152511), we get a palindrome (1573663751).

The spelling of 1152511240 in words is "one billion, one hundred fifty-two million, five hundred eleven thousand, two hundred forty".