1143421102 has 16 divisors (see below), whose sum is σ = 1808231040. Its totient is φ = 540771768.

The previous prime is 1143421093. The next prime is 1143421157. The reversal of 1143421102 is 2011243411.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1143421102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333 + ... + 47839.

It is an arithmetic number, because the mean of its divisors is an integer number (113014440).

Almost surely, 2^1143421102 is an apocalyptic number.

1143421102 is a deficient number, since it is larger than the sum of its proper divisors (664809938).

1143421102 is a wasteful number, since it uses less digits than its factorization.

1143421102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47175.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1143421102 is about 33814.5102285986. The cubic root of 1143421102 is about 1045.6878637787.

Adding to 1143421102 its reverse (2011243411), we get a palindrome (3154664513).

The spelling of 1143421102 in words is "one billion, one hundred forty-three million, four hundred twenty-one thousand, one hundred two".