1141971142 has 16 divisors (see below), whose sum is σ = 1845500832. Its totient is φ = 526841280.

The previous prime is 1141971121. The next prime is 1141971151. The reversal of 1141971142 is 2411791411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64698 + ... + 80434.

It is an arithmetic number, because the mean of its divisors is an integer number (115343802).

Almost surely, 2^1141971142 is an apocalyptic number.

1141971142 is a deficient number, since it is larger than the sum of its proper divisors (703529690).

1141971142 is a wasteful number, since it uses less digits than its factorization.

1141971142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18543.

The product of its digits is 2016, while the sum is 31.

The square root of 1141971142 is about 33793.0635190123. The cubic root of 1141971142 is about 1045.2456683009.

The spelling of 1141971142 in words is "one billion, one hundred forty-one million, nine hundred seventy-one thousand, one hundred forty-two".