1125047 has 16 divisors (see below), whose sum is σ = 1478400. Its totient is φ = 829440.

The previous prime is 1125029. The next prime is 1125053. The reversal of 1125047 is 7405211.

It is a cyclic number.

It is not a de Polignac number, because 1125047 - 2⁶ = 1124983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125017) 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 15 ways as a sum of consecutive naturals, for example, 1079 + ... + 1847.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2^1125047 is an apocalyptic number.

1125047 is a deficient number, since it is larger than the sum of its proper divisors (353353).

1125047 is a wasteful number, since it uses less digits than its factorization.

1125047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1125047 is about 1060.6823275609. The cubic root of 1125047 is about 104.0056394871.

The spelling of 1125047 in words is "one million, one hundred twenty-five thousand, forty-seven".