1125250 has 32 divisors (see below), whose sum is σ = 2411136. Its totient is φ = 385200.

The previous prime is 1125221. The next prime is 1125253. The reversal of 1125250 is 525211.

It is not an unprimeable number, because it can be changed into a prime (1125253) 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, 1429 + ... + 2071.

It is an arithmetic number, because the mean of its divisors is an integer number (75348).

2^1125250 is an apocalyptic number.

1125250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125250 is an abundant number, since it is smaller than the sum of its proper divisors (1285886).

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

1125250 is an equidigital number, since it uses as much as digits as its factorization.

1125250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1125250 is about 1060.7780163635. The cubic root of 1125250 is about 104.0118945962.

The spelling of 1125250 in words is "one million, one hundred twenty-five thousand, two hundred fifty".