1125247 has 4 divisors (see below), whose sum is σ = 1191456. Its totient is φ = 1059040.

The previous prime is 1125221. The next prime is 1125253. The reversal of 1125247 is 7425211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7425211 = 131 ⋅56681.

It is a cyclic number.

It is not a de Polignac number, because 1125247 - 2¹⁵ = 1092479 is a prime.

It is a super-2 number, since 2×1125247² = 2532361622018, 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 (1125217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33079 + ... + 33112.

It is an arithmetic number, because the mean of its divisors is an integer number (297864).

2^1125247 is an apocalyptic number.

1125247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1125247 is a deficient number, since it is larger than the sum of its proper divisors (66209).

1125247 is an equidigital number, since it uses as much as digits as its factorization.

1125247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66208.

The product of its digits is 560, while the sum is 22.

The square root of 1125247 is about 1060.7766023061. The cubic root of 1125247 is about 104.0118021616.

The spelling of 1125247 in words is "one million, one hundred twenty-five thousand, two hundred forty-seven".