1142040141 has 20 divisors (see below), whose sum is σ = 1861103904. Its totient is φ = 692145000.

The previous prime is 1142040121. The next prime is 1142040157. The reversal of 1142040141 is 1410402411.

It is not a de Polignac number, because 1142040141 - 2⁹ = 1142039629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142040121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 639985 + ... + 641766.

Almost surely, 2^1142040141 is an apocalyptic number.

1142040141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1142040141 is a deficient number, since it is larger than the sum of its proper divisors (719063763).

1142040141 is a wasteful number, since it uses less digits than its factorization.

1142040141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281774 (or 1281765 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1142040141 is about 33794.0844083695. The cubic root of 1142040141 is about 1045.2667194614.

Adding to 1142040141 its reverse (1410402411), we get a palindrome (2552442552).

The spelling of 1142040141 in words is "one billion, one hundred forty-two million, forty thousand, one hundred forty-one".