1141040231 has 8 divisors (see below), whose sum is σ = 1212116400. Its totient is φ = 1071066240.

The previous prime is 1141040191. The next prime is 1141040237. The reversal of 1141040231 is 1320401411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141040231 - 2²⁶ = 1073931367 is a prime.

It is a super-2 number, since 2×1141040231² = 2603945617521066722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141040237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273410 + ... + 277551.

It is an arithmetic number, because the mean of its divisors is an integer number (151514550).

Almost surely, 2^1141040231 is an apocalyptic number.

1141040231 is a deficient number, since it is larger than the sum of its proper divisors (71076169).

1141040231 is a wasteful number, since it uses less digits than its factorization.

1141040231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551089.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1141040231 is about 33779.2870114217. The cubic root of 1141040231 is about 1044.9615702846.

Adding to 1141040231 its reverse (1320401411), we get a palindrome (2461441642).

The spelling of 1141040231 in words is "one billion, one hundred forty-one million, forty thousand, two hundred thirty-one".