1240131141 has 40 divisors (see below), whose sum is σ = 1906420824. Its totient is φ = 802897920.

The previous prime is 1240131127. The next prime is 1240131149. The reversal of 1240131141 is 1411310421.

It can be written as a sum of positive squares in 4 ways, for example, as 582208641 + 657922500 = 24129^2 + 25650^2 .

It is not a de Polignac number, because 1240131141 - 2⁶ = 1240131077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240131149) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 852771 + ... + 854223.

Almost surely, 2^1240131141 is an apocalyptic number.

It is an amenable number.

1240131141 is a deficient number, since it is larger than the sum of its proper divisors (666289683).

1240131141 is a wasteful number, since it uses less digits than its factorization.

1240131141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1754 counting only the distinct ones).

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

The square root of 1240131141 is about 35215.4957511605. The cubic root of 1240131141 is about 1074.3749432124.

Adding to 1240131141 its reverse (1411310421), we get a palindrome (2651441562).

It can be divided in two parts, 1240131 and 141, that multiplied together give a palindrome (174858471).

The spelling of 1240131141 in words is "one billion, two hundred forty million, one hundred thirty-one thousand, one hundred forty-one".