1141242340 has 36 divisors (see below), whose sum is σ = 2787894396. Its totient is φ = 391282752.

The previous prime is 1141242299. The next prime is 1141242341. The reversal of 1141242340 is 432421411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 176145984 + 965096356 = 13272^2 + 31066^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141242341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581287 + ... + 583246.

It is an arithmetic number, because the mean of its divisors is an integer number (77441511).

Almost surely, 2^1141242340 is an apocalyptic number.

1141242340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141242340 is an abundant number, since it is smaller than the sum of its proper divisors (1646652056).

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

1141242340 is a wasteful number, since it uses less digits than its factorization.

1141242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164556 (or 1164547 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1141242340 is about 33782.2784903564. The cubic root of 1141242340 is about 1045.0232636015.

Adding to 1141242340 its reverse (432421411), we get a palindrome (1573663751).

The spelling of 1141242340 in words is "one billion, one hundred forty-one million, two hundred forty-two thousand, three hundred forty".