1141230240 has 72 divisors (see below), whose sum is σ = 3894453108. Its totient is φ = 304327680.

The previous prime is 1141230217. The next prime is 1141230283. The reversal of 1141230240 is 420321411.

1141230240 is a `hidden beast` number, since 11 + 412 + 3 + 0 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1120107024 + 21123216 = 33468^2 + 4596^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394821 + ... + 397700.

Almost surely, 2^1141230240 is an apocalyptic number.

1141230240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141230240 is an abundant number, since it is smaller than the sum of its proper divisors (2753222868).

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

1141230240 is a wasteful number, since it uses less digits than its factorization.

1141230240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792542 (or 792531 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1141230240 is about 33782.0994019022. The cubic root of 1141230240 is about 1045.0195703088.

Adding to 1141230240 its reverse (420321411), we get a palindrome (1561551651).

The spelling of 1141230240 in words is "one billion, one hundred forty-one million, two hundred thirty thousand, two hundred forty".