1147125 has 64 divisors (see below), whose sum is σ = 2396160. Its totient is φ = 475200.

The previous prime is 1147117. The next prime is 1147127. The reversal of 1147125 is 5217411.

It is a happy number.

It is not a de Polignac number, because 1147125 - 2³ = 1147117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49864 + ... + 49886.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2^1147125 is an apocalyptic number.

1147125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1147125 is an abundant number, since it is smaller than the sum of its proper divisors (1249035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1147125 is a wasteful number, since it uses less digits than its factorization.

1147125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 57 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 1147125 is about 1071.0392149683. The cubic root of 1147125 is about 104.6815749970.

The spelling of 1147125 in words is "one million, one hundred forty-seven thousand, one hundred twenty-five".