1125288 has 24 divisors (see below), whose sum is σ = 3047850. Its totient is φ = 375072.

The previous prime is 1125283. The next prime is 1125317. The reversal of 1125288 is 8825211.

It can be written as a sum of positive squares in only one way, i.e., 580644 + 544644 = 762^2 + 738^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1125283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7743 + ... + 7886.

2^1125288 is an apocalyptic number.

1125288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1125288 is an abundant number, since it is smaller than the sum of its proper divisors (1922562).

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

1125288 is a wasteful number, since it uses less digits than its factorization.

1125288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15641 (or 15634 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 1125288 is about 1060.7959275940. The cubic root of 1125288 is about 104.0130654197.

The spelling of 1125288 in words is "one million, one hundred twenty-five thousand, two hundred eighty-eight".