1128772 has 12 divisors (see below), whose sum is σ = 2039296. Its totient is φ = 546120.

The previous prime is 1128769. The next prime is 1128773. The reversal of 1128772 is 2778211.

It is a self number, because there is not a number n which added to its sum of digits gives 1128772.

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, 4428 + ... + 4675.

2^1128772 is an apocalyptic number.

It is an amenable number.

1128772 is a deficient number, since it is larger than the sum of its proper divisors (910524).

1128772 is a wasteful number, since it uses less digits than its factorization.

1128772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138 (or 9136 counting only the distinct ones).

The product of its digits is 1568, while the sum is 28.

The square root of 1128772 is about 1062.4368216511. The cubic root of 1128772 is about 104.1202996485.

The spelling of 1128772 in words is "one million, one hundred twenty-eight thousand, seven hundred seventy-two".