1141322040 has 144 divisors (see below), whose sum is σ = 3833973000. Its totient is φ = 294445440.

The previous prime is 1141322033. The next prime is 1141322051. The reversal of 1141322040 is 402231411.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 344311 + ... + 347609.

Almost surely, 2^1141322040 is an apocalyptic number.

1141322040 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 1141322040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916986500).

1141322040 is an abundant number, since it is smaller than the sum of its proper divisors (2692650960).

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

1141322040 is a wasteful number, since it uses less digits than its factorization.

1141322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3340 counting only the distinct ones).

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

The square root of 1141322040 is about 33783.4580823219. The cubic root of 1141322040 is about 1045.0475898445.

Adding to 1141322040 its reverse (402231411), we get a palindrome (1543553451).

The spelling of 1141322040 in words is "one billion, one hundred forty-one million, three hundred twenty-two thousand, forty".