1142123014 has 4 divisors (see below), whose sum is σ = 1713184524. Its totient is φ = 571061506.

The previous prime is 1142123011. The next prime is 1142123039. The reversal of 1142123014 is 4103212411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4103212411 = 1291 ⋅3178321.

It is a junction number, because it is equal to n+sod(n) for n = 1142122982 and 1142123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142123011) 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 as a sum of consecutive naturals, namely, 285530752 + ... + 285530755.

It is an arithmetic number, because the mean of its divisors is an integer number (428296131).

Almost surely, 2^1142123014 is an apocalyptic number.

1142123014 is a deficient number, since it is larger than the sum of its proper divisors (571061510).

1142123014 is an equidigital number, since it uses as much as digits as its factorization.

1142123014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571061509.

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

The square root of 1142123014 is about 33795.3105326760. The cubic root of 1142123014 is about 1045.2920023712.

Adding to 1142123014 its reverse (4103212411), we get a palindrome (5245335425).

The spelling of 1142123014 in words is "one billion, one hundred forty-two million, one hundred twenty-three thousand, fourteen".