1128464 has 10 divisors (see below), whose sum is σ = 2186430. Its totient is φ = 564224.

The previous prime is 1128451. The next prime is 1128497. The reversal of 1128464 is 4648211.

It can be written as a sum of positive squares in only one way, i.e., 984064 + 144400 = 992^2 + 380^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35249 + ... + 35280.

It is an arithmetic number, because the mean of its divisors is an integer number (218643).

2^1128464 is an apocalyptic number.

It is an amenable number.

1128464 is a deficient number, since it is larger than the sum of its proper divisors (1057966).

1128464 is an equidigital number, since it uses as much as digits as its factorization.

1128464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70537 (or 70531 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 1128464 is about 1062.2918619664. The cubic root of 1128464 is about 104.1108285980.

The spelling of 1128464 in words is "one million, one hundred twenty-eight thousand, four hundred sixty-four".