1143326087 has 8 divisors (see below), whose sum is σ = 1151206896. Its totient is φ = 1135472832.

The previous prime is 1143326071. The next prime is 1143326101. The reversal of 1143326087 is 7806233411.

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 1143326087 - 2⁴ = 1143326071 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 (1143326027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80108 + ... + 93294.

It is an arithmetic number, because the mean of its divisors is an integer number (143900862).

Almost surely, 2^1143326087 is an apocalyptic number.

1143326087 is a deficient number, since it is larger than the sum of its proper divisors (7880809).

1143326087 is a wasteful number, since it uses less digits than its factorization.

1143326087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13777.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1143326087 is about 33813.1052552113. The cubic root of 1143326087 is about 1045.6588984265.

Adding to 1143326087 its reverse (7806233411), we get a palindrome (8949559498).

The spelling of 1143326087 in words is "one billion, one hundred forty-three million, three hundred twenty-six thousand, eighty-seven".