1125727 has 4 divisors (see below), whose sum is σ = 1128256. Its totient is φ = 1123200.

The previous prime is 1125713. The next prime is 1125739. The reversal of 1125727 is 7275211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1125727 - 2⁷ = 1125599 is a prime.

It is a super-2 number, since 2×1125727² = 2534522557058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399 + ... + 1552.

It is an arithmetic number, because the mean of its divisors is an integer number (282064).

2^1125727 is an apocalyptic number.

1125727 is a deficient number, since it is larger than the sum of its proper divisors (2529).

1125727 is an equidigital number, since it uses as much as digits as its factorization.

1125727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

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

The square root of 1125727 is about 1061.0028275174. The cubic root of 1125727 is about 104.0265896017.

The spelling of 1125727 in words is "one million, one hundred twenty-five thousand, seven hundred twenty-seven".