1142213241 has 8 divisors (see below), whose sum is σ = 1640101120. Its totient is φ = 702900432.

The previous prime is 1142213231. The next prime is 1142213243. The reversal of 1142213241 is 1423122411.

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

It is not a de Polignac number, because 1142213241 - 2²⁹ = 605342329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142213243) 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, 14643721 + ... + 14643798.

It is an arithmetic number, because the mean of its divisors is an integer number (205012640).

Almost surely, 2^1142213241 is an apocalyptic number.

It is an amenable number.

1142213241 is a deficient number, since it is larger than the sum of its proper divisors (497887879).

1142213241 is a wasteful number, since it uses less digits than its factorization.

1142213241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29287535.

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

The square root of 1142213241 is about 33796.6454104546. The cubic root of 1142213241 is about 1045.3195274500.

Adding to 1142213241 its reverse (1423122411), we get a palindrome (2565335652).

The spelling of 1142213241 in words is "one billion, one hundred forty-two million, two hundred thirteen thousand, two hundred forty-one".