1129672 has 8 divisors (see below), whose sum is σ = 2118150. Its totient is φ = 564832.

The previous prime is 1129663. The next prime is 1129679. The reversal of 1129672 is 2769211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1069156 + 60516 = 1034^2 + 246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1129672.

It is not an unprimeable number, because it can be changed into a prime (1129679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70597 + ... + 70612.

2^1129672 is an apocalyptic number.

It is an amenable number.

1129672 is a deficient number, since it is larger than the sum of its proper divisors (988478).

1129672 is a wasteful number, since it uses less digits than its factorization.

1129672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141215 (or 141211 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 1129672 is about 1062.8602918540. The cubic root of 1129672 is about 104.1479649270.

The spelling of 1129672 in words is "one million, one hundred twenty-nine thousand, six hundred seventy-two".