1161048 has 32 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 331680.

The previous prime is 1161047. The next prime is 1161059. The reversal of 1161048 is 8401611.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161047) 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 7 ways as a sum of consecutive naturals, for example, 3288 + ... + 3623.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^1161048 is an apocalyptic number.

It is an amenable number.

1161048 is an abundant number, since it is smaller than the sum of its proper divisors (2156712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161048 is a wasteful number, since it uses less digits than its factorization.

1161048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927 (or 6923 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1161048 is about 1077.5193733757. The cubic root of 1161048 is about 105.1033902249.

Adding to 1161048 its reverse (8401611), we get a palindrome (9562659).

The spelling of 1161048 in words is "one million, one hundred sixty-one thousand, forty-eight".