1125791 has 8 divisors (see below), whose sum is σ = 1218240. Its totient is φ = 1036288.

The previous prime is 1125767. The next prime is 1125793. The reversal of 1125791 is 1975211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (152280).

2^1125791 is an apocalyptic number.

1125791 is a deficient number, since it is larger than the sum of its proper divisors (92449).

1125791 is a wasteful number, since it uses less digits than its factorization.

1125791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its digits is 630, while the sum is 26.

The square root of 1125791 is about 1061.0329872346. The cubic root of 1125791 is about 104.0285609427.

The spelling of 1125791 in words is "one million, one hundred twenty-five thousand, seven hundred ninety-one".