1125478 has 4 divisors (see below), whose sum is σ = 1688220. Its totient is φ = 562738.

The previous prime is 1125473. The next prime is 1125479. The reversal of 1125478 is 8745211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281368 + ... + 281371.

It is an arithmetic number, because the mean of its divisors is an integer number (422055).

2^1125478 is an apocalyptic number.

1125478 is a deficient number, since it is larger than the sum of its proper divisors (562742).

1125478 is an equidigital number, since it uses as much as digits as its factorization.

1125478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562741.

The product of its digits is 2240, while the sum is 28.

The square root of 1125478 is about 1060.8854792106. The cubic root of 1125478 is about 104.0189191419.

The spelling of 1125478 in words is "one million, one hundred twenty-five thousand, four hundred seventy-eight".