1244011131 has 12 divisors (see below), whose sum is σ = 1960260120. Its totient is φ = 753946080.

The previous prime is 1244011123. The next prime is 1244011141. The reversal of 1244011131 is 1311104421.

It is not a de Polignac number, because 1244011131 - 2³ = 1244011123 is a prime.

It is a super-2 number, since 2×1244011131² = 3095127388103798322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1244011141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6282786 + ... + 6282983.

It is an arithmetic number, because the mean of its divisors is an integer number (163355010).

Almost surely, 2^1244011131 is an apocalyptic number.

1244011131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1244011131 is a deficient number, since it is larger than the sum of its proper divisors (716248989).

1244011131 is a wasteful number, since it uses less digits than its factorization.

1244011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12565786 (or 12565783 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1244011131 is about 35270.5419720197. The cubic root of 1244011131 is about 1075.4942399419.

Adding to 1244011131 its reverse (1311104421), we get a palindrome (2555115552).

The spelling of 1244011131 in words is "one billion, two hundred forty-four million, eleven thousand, one hundred thirty-one".