1142230411 has 4 divisors (see below), whose sum is σ = 1305406192. Its totient is φ = 979054632.

The previous prime is 1142230409. The next prime is 1142230423. The reversal of 1142230411 is 1140322411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1140322411 = 19 ⋅60016969.

It is a cyclic number.

It is not a de Polignac number, because 1142230411 - 2¹ = 1142230409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142230451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81587880 + ... + 81587893.

It is an arithmetic number, because the mean of its divisors is an integer number (326351548).

Almost surely, 2^1142230411 is an apocalyptic number.

1142230411 is a deficient number, since it is larger than the sum of its proper divisors (163175781).

1142230411 is an equidigital number, since it uses as much as digits as its factorization.

1142230411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163175780.

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

The square root of 1142230411 is about 33796.8994287938. The cubic root of 1142230411 is about 1045.3247652479.

Adding to 1142230411 its reverse (1140322411), we get a palindrome (2282552822).

The spelling of 1142230411 in words is "one billion, one hundred forty-two million, two hundred thirty thousand, four hundred eleven".