1142104421 has 8 divisors (see below), whose sum is σ = 1272934080. Its totient is φ = 1018346688.

The previous prime is 1142104391. The next prime is 1142104429. The reversal of 1142104421 is 1244012411.

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 1142104421 - 2⁶ = 1142104357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142104393 and 1142104402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142104429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767641 + ... + 1768286.

It is an arithmetic number, because the mean of its divisors is an integer number (159116760).

Almost surely, 2^1142104421 is an apocalyptic number.

It is an amenable number.

1142104421 is a deficient number, since it is larger than the sum of its proper divisors (130829659).

1142104421 is a wasteful number, since it uses less digits than its factorization.

1142104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535963.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1142104421 is about 33795.0354490123. The cubic root of 1142104421 is about 1045.2863301218.

Adding to 1142104421 its reverse (1244012411), we get a palindrome (2386116832).

The spelling of 1142104421 in words is "one billion, one hundred forty-two million, one hundred four thousand, four hundred twenty-one".