1057878 has 12 divisors (see below), whose sum is σ = 2292108. Its totient is φ = 352620.

The previous prime is 1057853. The next prime is 1057879. The reversal of 1057878 is 8787501.

1057878 is a `hidden beast` number, since 10 + 578 + 78 = 666.

It is a super-2 number, since 2×1057878² = 2238211725768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29368 + ... + 29403.

It is an arithmetic number, because the mean of its divisors is an integer number (191009).

2^1057878 is an apocalyptic number.

1057878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1057878 is an abundant number, since it is smaller than the sum of its proper divisors (1234230).

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

1057878 is a wasteful number, since it uses less digits than its factorization.

1057878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58779 (or 58776 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 1057878 is about 1028.5319635286. The cubic root of 1057878 is about 101.8931984752.

The spelling of 1057878 in words is "one million, fifty-seven thousand, eight hundred seventy-eight".