1125858 has 16 divisors (see below), whose sum is σ = 2324736. Its totient is φ = 363120.

The previous prime is 1125857. The next prime is 1125871. The reversal of 1125858 is 8585211.

It is not an unprimeable number, because it can be changed into a prime (1125857) 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, 2841 + ... + 3212.

It is an arithmetic number, because the mean of its divisors is an integer number (145296).

2^1125858 is an apocalyptic number.

1125858 is an abundant number, since it is smaller than the sum of its proper divisors (1198878).

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

1125858 is a wasteful number, since it uses less digits than its factorization.

1125858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089.

The product of its digits is 3200, while the sum is 30.

The square root of 1125858 is about 1061.0645597700. The cubic root of 1125858 is about 104.0306246104.

The spelling of 1125858 in words is "one million, one hundred twenty-five thousand, eight hundred fifty-eight".