1141246687 has 8 divisors (see below), whose sum is σ = 1322652672. Its totient is φ = 964433400.

The previous prime is 1141246643. The next prime is 1141246697. The reversal of 1141246687 is 7866421411.

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

It is a de Polignac number, because none of the positive numbers 2^k-1141246687 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 (1141246607) 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, 1147639 + ... + 1148632.

It is an arithmetic number, because the mean of its divisors is an integer number (165331584).

Almost surely, 2^1141246687 is an apocalyptic number.

1141246687 is a deficient number, since it is larger than the sum of its proper divisors (181405985).

1141246687 is an equidigital number, since it uses as much as digits as its factorization.

1141246687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296349.

The product of its digits is 64512, while the sum is 40.

The square root of 1141246687 is about 33782.3428287619. The cubic root of 1141246687 is about 1045.0245904335.

The spelling of 1141246687 in words is "one billion, one hundred forty-one million, two hundred forty-six thousand, six hundred eighty-seven".