1141257041 has 4 divisors (see below), whose sum is σ = 1143119412. Its totient is φ = 1139394672.

The previous prime is 1141257037. The next prime is 1141257049. The reversal of 1141257041 is 1407521411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 188238400 + 953018641 = 13720^2 + 30871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141257041 - 2² = 1141257037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141257041.

It is not an unprimeable number, because it can be changed into a prime (1141257049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930266 + ... + 931491.

It is an arithmetic number, because the mean of its divisors is an integer number (285779853).

Almost surely, 2^1141257041 is an apocalyptic number.

It is an amenable number.

1141257041 is a deficient number, since it is larger than the sum of its proper divisors (1862371).

1141257041 is an equidigital number, since it uses as much as digits as its factorization.

1141257041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862370.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1141257041 is about 33782.4960741506. The cubic root of 1141257041 is about 1045.0277507645.

Adding to 1141257041 its reverse (1407521411), we get a palindrome (2548778452).

The spelling of 1141257041 in words is "one billion, one hundred forty-one million, two hundred fifty-seven thousand, forty-one".