1125320 has 32 divisors (see below), whose sum is σ = 2894400. Its totient is φ = 385728.

The previous prime is 1125317. The next prime is 1125323. The reversal of 1125320 is 235211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1125317) and next prime (1125323).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1125295 and 1125304.

It is not an unprimeable number, because it can be changed into a prime (1125323) 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, 1730 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (90450).

2^1125320 is an apocalyptic number.

1125320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125320 is an abundant number, since it is smaller than the sum of its proper divisors (1769080).

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

1125320 is a wasteful number, since it uses less digits than its factorization.

1125320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037 (or 4033 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1125320 is about 1060.8110105009. The cubic root of 1125320 is about 104.0140513559.

It can be divided in two parts, 1125 and 320, that multiplied together give a square (360000 = 600²).

The spelling of 1125320 in words is "one million, one hundred twenty-five thousand, three hundred twenty".