1125987 has 8 divisors (see below), whose sum is σ = 1520640. Its totient is φ = 741000.

The previous prime is 1125973. The next prime is 1125991. The reversal of 1125987 is 7895211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1125987 - 2⁶ = 1125923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

2^1125987 is an apocalyptic number.

1125987 is a deficient number, since it is larger than the sum of its proper divisors (394653).

1125987 is an equidigital number, since it uses as much as digits as its factorization.

1125987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its digits is 5040, while the sum is 33.

The square root of 1125987 is about 1061.1253460360. The cubic root of 1125987 is about 104.0345977100.

It can be divided in two parts, 1125 and 987, that added together give a palindrome (2112).

The spelling of 1125987 in words is "one million, one hundred twenty-five thousand, nine hundred eighty-seven".