1143420114 has 32 divisors (see below), whose sum is σ = 2511866880. Its totient is φ = 345380112.

The previous prime is 1143420071. The next prime is 1143420127. The reversal of 1143420114 is 4110243411.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 215422 + ... + 220665.

It is an arithmetic number, because the mean of its divisors is an integer number (78495840).

Almost surely, 2^1143420114 is an apocalyptic number.

1143420114 is an abundant number, since it is smaller than the sum of its proper divisors (1368446766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143420114 is a wasteful number, since it uses less digits than its factorization.

1143420114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436134.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1143420114 is about 33814.4956194825. The cubic root of 1143420114 is about 1045.6875625948.

Adding to 1143420114 its reverse (4110243411), we get a palindrome (5253663525).

The spelling of 1143420114 in words is "one billion, one hundred forty-three million, four hundred twenty thousand, one hundred fourteen".