1224033142 has 4 divisors (see below), whose sum is σ = 1836049716. Its totient is φ = 612016570.

The previous prime is 1224033119. The next prime is 1224033163. The reversal of 1224033142 is 2413304221.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 306008284 + ... + 306008287.

It is an arithmetic number, because the mean of its divisors is an integer number (459012429).

Almost surely, 2^1224033142 is an apocalyptic number.

1224033142 is a deficient number, since it is larger than the sum of its proper divisors (612016574).

1224033142 is an equidigital number, since it uses as much as digits as its factorization.

1224033142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612016573.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1224033142 is about 34986.1850163747. The cubic root of 1224033142 is about 1069.7059028103.

Adding to 1224033142 its reverse (2413304221), we get a palindrome (3637337363).

The spelling of 1224033142 in words is "one billion, two hundred twenty-four million, thirty-three thousand, one hundred forty-two".