1125261 has 6 divisors (see below), whose sum is σ = 1625390. Its totient is φ = 750168.

The previous prime is 1125259. The next prime is 1125283. The reversal of 1125261 is 1625211.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 145161 = 990^2 + 381^2 .

It is not a de Polignac number, because 1125261 - 2¹ = 1125259 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 (1125221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62506 + ... + 62523.

2^1125261 is an apocalyptic number.

It is an amenable number.

1125261 is a deficient number, since it is larger than the sum of its proper divisors (500129).

1125261 is a wasteful number, since it uses less digits than its factorization.

1125261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125035 (or 125032 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 1125261 is about 1060.7832012245. The cubic root of 1125261 is about 104.0122335215.

The spelling of 1125261 in words is "one million, one hundred twenty-five thousand, two hundred sixty-one".