1141368487 has 4 divisors (see below), whose sum is σ = 1304421136. Its totient is φ = 978315840.

The previous prime is 1141368467. The next prime is 1141368533. The reversal of 1141368487 is 7848631411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141368487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141368467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81526314 + ... + 81526327.

It is an arithmetic number, because the mean of its divisors is an integer number (326105284).

Almost surely, 2^1141368487 is an apocalyptic number.

1141368487 is a deficient number, since it is larger than the sum of its proper divisors (163052649).

1141368487 is an equidigital number, since it uses as much as digits as its factorization.

1141368487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163052648.

The product of its digits is 129024, while the sum is 43.

The square root of 1141368487 is about 33784.1454975555. The cubic root of 1141368487 is about 1045.0617659973.

Adding to 1141368487 its reverse (7848631411), we get a palindrome (8989999898).

The spelling of 1141368487 in words is "one billion, one hundred forty-one million, three hundred sixty-eight thousand, four hundred eighty-seven".