1141204340 has 48 divisors (see below), whose sum is σ = 2510500608. Its totient is φ = 434928384.

The previous prime is 1141204313. The next prime is 1141204387. The reversal of 1141204340 is 434021411.

It is a super-3 number, since 3×1141204340³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116264 + ... + 125696.

It is an arithmetic number, because the mean of its divisors is an integer number (52302096).

Almost surely, 2^1141204340 is an apocalyptic number.

1141204340 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 1141204340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255250304).

1141204340 is an abundant number, since it is smaller than the sum of its proper divisors (1369296268).

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

1141204340 is a wasteful number, since it uses less digits than its factorization.

1141204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9728 (or 9726 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1141204340 is about 33781.7160606148. The cubic root of 1141204340 is about 1045.0116647432.

Adding to 1141204340 its reverse (434021411), we get a palindrome (1575225751).

The spelling of 1141204340 in words is "one billion, one hundred forty-one million, two hundred four thousand, three hundred forty".