1141134420 has 96 divisors (see below), whose sum is σ = 3350753280. Its totient is φ = 289618560.

The previous prime is 1141134413. The next prime is 1141134431. The reversal of 1141134420 is 244311411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289221 + ... + 293139.

It is an arithmetic number, because the mean of its divisors is an integer number (34903680).

Almost surely, 2^1141134420 is an apocalyptic number.

1141134420 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 1141134420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675376640).

1141134420 is an abundant number, since it is smaller than the sum of its proper divisors (2209618860).

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

1141134420 is a wasteful number, since it uses less digits than its factorization.

1141134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165 (or 4163 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1141134420 is about 33780.6811654235. The cubic root of 1141134420 is about 1044.9903221710.

Adding to 1141134420 its reverse (244311411), we get a palindrome (1385445831).

It can be divided in two parts, 1141134 and 420, that multiplied together give a triangular number (479276280 = T₃₀₉₆₀).

The spelling of 1141134420 in words is "one billion, one hundred forty-one million, one hundred thirty-four thousand, four hundred twenty".