1141220043 has 32 divisors (see below), whose sum is σ = 1733600000. Its totient is φ = 741581568.

The previous prime is 1141219967. The next prime is 1141220077. The reversal of 1141220043 is 3400221411.

1141220043 is a `hidden beast` number, since 11 + 412 + 200 + 43 = 666.

It is not a de Polignac number, because 1141220043 - 2¹⁰ = 1141219019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141219998 and 1141220025.

It is not an unprimeable number, because it can be changed into a prime (1141220083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 913083 + ... + 914331.

It is an arithmetic number, because the mean of its divisors is an integer number (54175000).

Almost surely, 2^1141220043 is an apocalyptic number.

1141220043 is a deficient number, since it is larger than the sum of its proper divisors (592379957).

1141220043 is a wasteful number, since it uses less digits than its factorization.

1141220043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1141220043 is about 33781.9484784404. The cubic root of 1141220043 is about 1045.0164578500.

Adding to 1141220043 its reverse (3400221411), we get a palindrome (4541441454).

The spelling of 1141220043 in words is "one billion, one hundred forty-one million, two hundred twenty thousand, forty-three".