1147968 has 42 divisors (see below), whose sum is σ = 3292094. Its totient is φ = 382464.

The previous prime is 1147931. The next prime is 1147969. The reversal of 1147968 is 8697411.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 82944 = 1032^2 + 288^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1147969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421 + ... + 1572.

2^1147968 is an apocalyptic number.

1147968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1147968 is an abundant number, since it is smaller than the sum of its proper divisors (2144126).

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

1147968 is a wasteful number, since it uses less digits than its factorization.

1147968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 1998 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1147968 is about 1071.4326857064. The cubic root of 1147968 is about 104.7072115404.

The spelling of 1147968 in words is "one million, one hundred forty-seven thousand, nine hundred sixty-eight".