1244141135 has 16 divisors (see below), whose sum is σ = 1544693760. Its totient is φ = 960978720.

The previous prime is 1244141131. The next prime is 1244141159. The reversal of 1244141135 is 5311414421.

It is not a de Polignac number, because 1244141135 - 2² = 1244141131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244141131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59606 + ... + 77724.

It is an arithmetic number, because the mean of its divisors is an integer number (96543360).

Almost surely, 2^1244141135 is an apocalyptic number.

1244141135 is a deficient number, since it is larger than the sum of its proper divisors (300552625).

1244141135 is a wasteful number, since it uses less digits than its factorization.

1244141135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18598.

The product of its digits is 1920, while the sum is 26.

The square root of 1244141135 is about 35272.3848782585. The cubic root of 1244141135 is about 1075.5317030801.

Adding to 1244141135 its reverse (5311414421), we get a palindrome (6555555556).

The spelling of 1244141135 in words is "one billion, two hundred forty-four million, one hundred forty-one thousand, one hundred thirty-five".