1129772 has 24 divisors (see below), whose sum is σ = 2282784. Its totient is φ = 479232.

The previous prime is 1129763. The next prime is 1129787. The reversal of 1129772 is 2779211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4268 + ... + 4524.

It is an arithmetic number, because the mean of its divisors is an integer number (95116).

2^1129772 is an apocalyptic number.

It is an amenable number.

1129772 is an abundant number, since it is smaller than the sum of its proper divisors (1153012).

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

1129772 is a wasteful number, since it uses less digits than its factorization.

1129772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 423 counting only the distinct ones).

The product of its digits is 1764, while the sum is 29.

The square root of 1129772 is about 1062.9073336844. The cubic root of 1129772 is about 104.1510379397.

The spelling of 1129772 in words is "one million, one hundred twenty-nine thousand, seven hundred seventy-two".