1141769228 has 12 divisors (see below), whose sum is σ = 1999277280. Its totient is φ = 570547152.

The previous prime is 1141769227. The next prime is 1141769231. The reversal of 1141769228 is 8229671411.

It is not an unprimeable number, because it can be changed into a prime (1141769227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76676 + ... + 90347.

It is an arithmetic number, because the mean of its divisors is an integer number (166606440).

Almost surely, 2^1141769228 is an apocalyptic number.

It is an amenable number.

1141769228 is a deficient number, since it is larger than the sum of its proper divisors (857508052).

1141769228 is a wasteful number, since it uses less digits than its factorization.

1141769228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168736 (or 168734 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 1141769228 is about 33790.0758803528. The cubic root of 1141769228 is about 1045.1840607389.

The spelling of 1141769228 in words is "one billion, one hundred forty-one million, seven hundred sixty-nine thousand, two hundred twenty-eight".