1125277 has 4 divisors (see below), whose sum is σ = 1131676. Its totient is φ = 1118880.

The previous prime is 1125259. The next prime is 1125283. The reversal of 1125277 is 7725211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 326041 + 799236 = 571^2 + 894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125277 is a prime.

It is a Duffinian number.

1125277 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2928 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (282919).

2^1125277 is an apocalyptic number.

It is an amenable number.

1125277 is a deficient number, since it is larger than the sum of its proper divisors (6399).

1125277 is an equidigital number, since it uses as much as digits as its factorization.

1125277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398.

The product of its digits is 980, while the sum is 25.

The square root of 1125277 is about 1060.7907427952. The cubic root of 1125277 is about 104.0127264998.

The spelling of 1125277 in words is "one million, one hundred twenty-five thousand, two hundred seventy-seven".