1224514142 has 4 divisors (see below), whose sum is σ = 1836771216. Its totient is φ = 612257070.

The previous prime is 1224514133. The next prime is 1224514153. The reversal of 1224514142 is 2414154221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306128534 + ... + 306128537.

It is an arithmetic number, because the mean of its divisors is an integer number (459192804).

Almost surely, 2^1224514142 is an apocalyptic number.

1224514142 is a deficient number, since it is larger than the sum of its proper divisors (612257074).

1224514142 is an equidigital number, since it uses as much as digits as its factorization.

1224514142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612257073.

The product of its digits is 2560, while the sum is 26.

The square root of 1224514142 is about 34993.0584830763. The cubic root of 1224514142 is about 1069.8460028177.

Adding to 1224514142 its reverse (2414154221), we get a palindrome (3638668363).

The spelling of 1224514142 in words is "one billion, two hundred twenty-four million, five hundred fourteen thousand, one hundred forty-two".