1141231000 has 128 divisors (see below), whose sum is σ = 3287007360. Its totient is φ = 361152000.

The previous prime is 1141230989. The next prime is 1141231031. The reversal of 1141231000 is 1321411.

1141231000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1141231000² = 2604816390722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 84730 + ... + 97270.

It is an arithmetic number, because the mean of its divisors is an integer number (25679745).

Almost surely, 2^1141231000 is an apocalyptic number.

1141231000 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 1141231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643503680).

1141231000 is an abundant number, since it is smaller than the sum of its proper divisors (2145776360).

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

1141231000 is a wasteful number, since it uses less digits than its factorization.

1141231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12582 (or 12568 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1141231000 is about 33782.1106504611. The cubic root of 1141231000 is about 1045.0198022849.

Adding to 1141231000 its reverse (1321411), we get a palindrome (1142552411).

The spelling of 1141231000 in words is "one billion, one hundred forty-one million, two hundred thirty-one thousand".