1161928 has 16 divisors (see below), whose sum is σ = 2215260. Its totient is φ = 571200.

The previous prime is 1161893. The next prime is 1161929. The reversal of 1161928 is 8291611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 702244 + 459684 = 838^2 + 678^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1161896 and 1161905.

It is not an unprimeable number, because it can be changed into a prime (1161929) 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, 703 + ... + 1678.

2^1161928 is an apocalyptic number.

It is an amenable number.

1161928 is a deficient number, since it is larger than the sum of its proper divisors (1053332).

1161928 is a wasteful number, since it uses less digits than its factorization.

1161928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2444 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 1161928 is about 1077.9276413563. The cubic root of 1161928 is about 105.1299373978.

The spelling of 1161928 in words is "one million, one hundred sixty-one thousand, nine hundred twenty-eight".