1129207 has 4 divisors (see below), whose sum is σ = 1132200. Its totient is φ = 1126216.

The previous prime is 1129187. The next prime is 1129211. The reversal of 1129207 is 7029211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1129207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (283050).

2^1129207 is an apocalyptic number.

1129207 is a deficient number, since it is larger than the sum of its proper divisors (2993).

1129207 is an equidigital number, since it uses as much as digits as its factorization.

1129207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1129207 is about 1062.6415199869. The cubic root of 1129207 is about 104.1336730352.

The spelling of 1129207 in words is "one million, one hundred twenty-nine thousand, two hundred seven".