1244131442 has 8 divisors (see below), whose sum is σ = 1894051056. Its totient is φ = 612781092.

The previous prime is 1244131423. The next prime is 1244131507. The reversal of 1244131442 is 2441314421.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4642148 + ... + 4642415.

It is an arithmetic number, because the mean of its divisors is an integer number (236756382).

Almost surely, 2^1244131442 is an apocalyptic number.

1244131442 is a deficient number, since it is larger than the sum of its proper divisors (649919614).

1244131442 is an equidigital number, since it uses as much as digits as its factorization.

1244131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284632.

The product of its digits is 3072, while the sum is 26.

The square root of 1244131442 is about 35272.2474758839. The cubic root of 1244131442 is about 1075.5289099469.

Adding to 1244131442 its reverse (2441314421), we get a palindrome (3685445863).

The spelling of 1244131442 in words is "one billion, two hundred forty-four million, one hundred thirty-one thousand, four hundred forty-two".