1057851 has 6 divisors (see below), whose sum is σ = 1528020. Its totient is φ = 705228.

The previous prime is 1057831. The next prime is 1057853. The reversal of 1057851 is 1587501.

It is a de Polignac number, because none of the positive numbers 2^k-1057851 is a prime.

It is a super-2 number, since 2×1057851² = 2238097476402, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1057853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58761 + ... + 58778.

It is an arithmetic number, because the mean of its divisors is an integer number (254670).

2^1057851 is an apocalyptic number.

1057851 is a deficient number, since it is larger than the sum of its proper divisors (470169).

1057851 is a wasteful number, since it uses less digits than its factorization.

1057851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117545 (or 117542 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 1057851 is about 1028.5188379412. The cubic root of 1057851 is about 101.8923316016.

The spelling of 1057851 in words is "one million, fifty-seven thousand, eight hundred fifty-one".