1244135113 has 8 divisors (see below), whose sum is σ = 1398091968. Its totient is φ = 1098500304.

The previous prime is 1244135111. The next prime is 1244135129. The reversal of 1244135113 is 3115314421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244135113 - 2¹ = 1244135111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1244135111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080195 + ... + 2080792.

It is an arithmetic number, because the mean of its divisors is an integer number (174761496).

Almost surely, 2^1244135113 is an apocalyptic number.

1244135113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1244135113 is a deficient number, since it is larger than the sum of its proper divisors (153956855).

1244135113 is a wasteful number, since it uses less digits than its factorization.

1244135113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161023.

The product of its digits is 1440, while the sum is 25.

The square root of 1244135113 is about 35272.2995139245. The cubic root of 1244135113 is about 1075.5299677833.

Adding to 1244135113 its reverse (3115314421), we get a palindrome (4359449534).

The spelling of 1244135113 in words is "one billion, two hundred forty-four million, one hundred thirty-five thousand, one hundred thirteen".