1244142332 has 12 divisors (see below), whose sum is σ = 2181581136. Its totient is φ = 620833440.

The previous prime is 1244142293. The next prime is 1244142343. The reversal of 1244142332 is 2332414421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307169 + ... + 311192.

It is an arithmetic number, because the mean of its divisors is an integer number (181798428).

Almost surely, 2^1244142332 is an apocalyptic number.

It is an amenable number.

1244142332 is a deficient number, since it is larger than the sum of its proper divisors (937438804).

1244142332 is a wasteful number, since it uses less digits than its factorization.

1244142332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618868 (or 618866 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 1244142332 is about 35272.4018462026. The cubic root of 1244142332 is about 1075.5320480064.

Adding to 1244142332 its reverse (2332414421), we get a palindrome (3576556753).

The spelling of 1244142332 in words is "one billion, two hundred forty-four million, one hundred forty-two thousand, three hundred thirty-two".