1128770 has 8 divisors (see below), whose sum is σ = 2031804. Its totient is φ = 451504.

The previous prime is 1128769. The next prime is 1128773. The reversal of 1128770 is 778211.

It can be written as a sum of positive squares in 2 ways, for example, as 982081 + 146689 = 991^2 + 383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1128773) 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, 56429 + ... + 56448.

2^1128770 is an apocalyptic number.

1128770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128770 is a deficient number, since it is larger than the sum of its proper divisors (903034).

1128770 is a wasteful number, since it uses less digits than its factorization.

1128770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112884.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1128770 is about 1062.4358804182. The cubic root of 1128770 is about 104.1202381537.

The spelling of 1128770 in words is "one million, one hundred twenty-eight thousand, seven hundred seventy".