1125917 has 8 divisors (see below), whose sum is σ = 1220856. Its totient is φ = 1032192.

The previous prime is 1125913. The next prime is 1125923. The reversal of 1125917 is 7195211.

It can be written as a sum of positive squares in 4 ways, for example, as 177241 + 948676 = 421^2 + 974^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1125917 - 2² = 1125913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125911) 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, 3173 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (152607).

2^1125917 is an apocalyptic number.

It is an amenable number.

1125917 is a deficient number, since it is larger than the sum of its proper divisors (94939).

1125917 is a wasteful number, since it uses less digits than its factorization.

1125917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

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

The square root of 1125917 is about 1061.0923616726. The cubic root of 1125917 is about 104.0324418021.

The spelling of 1125917 in words is "one million, one hundred twenty-five thousand, nine hundred seventeen".