1125715 has 4 divisors (see below), whose sum is σ = 1350864. Its totient is φ = 900568.

The previous prime is 1125713. The next prime is 1125739. The reversal of 1125715 is 5175211.

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 1125715 - 2¹ = 1125713 is a prime.

It is a super-2 number, since 2×1125715² = 2534468522450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

1125715 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1125713) 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, 112567 + ... + 112576.

It is an arithmetic number, because the mean of its divisors is an integer number (337716).

2^1125715 is an apocalyptic number.

1125715 is a deficient number, since it is larger than the sum of its proper divisors (225149).

1125715 is an equidigital number, since it uses as much as digits as its factorization.

1125715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225148.

The product of its digits is 350, while the sum is 22.

The square root of 1125715 is about 1060.9971724750. The cubic root of 1125715 is about 104.0262199669.

The spelling of 1125715 in words is "one million, one hundred twenty-five thousand, seven hundred fifteen".