1156125 has 16 divisors (see below), whose sum is σ = 1924416. Its totient is φ = 616400.

The previous prime is 1156121. The next prime is 1156151. The reversal of 1156125 is 5216511.

It is not a de Polignac number, because 1156125 - 2² = 1156121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (120276).

2^1156125 is an apocalyptic number.

1156125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1156125 is a deficient number, since it is larger than the sum of its proper divisors (768291).

1156125 is an equidigital number, since it uses as much as digits as its factorization.

1156125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101 (or 3091 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 1156125 is about 1075.2325329900. The cubic root of 1156125 is about 104.9546289238.

The spelling of 1156125 in words is "one million, one hundred fifty-six thousand, one hundred twenty-five".