1141152240 has 80 divisors (see below), whose sum is σ = 3550370976. Its totient is φ = 303206400.

The previous prime is 1141152239. The next prime is 1141152281. The reversal of 1141152240 is 422511411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58980 + ... + 75900.

Almost surely, 2^1141152240 is an apocalyptic number.

1141152240 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 1141152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775185488).

1141152240 is an abundant number, since it is smaller than the sum of its proper divisors (2409218736).

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

1141152240 is a wasteful number, since it uses less digits than its factorization.

1141152240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17218 (or 17212 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1141152240 is about 33780.9449246169. The cubic root of 1141152240 is about 1044.9957616794.

Adding to 1141152240 its reverse (422511411), we get a palindrome (1563663651).

The spelling of 1141152240 in words is "one billion, one hundred forty-one million, one hundred fifty-two thousand, two hundred forty".