1051885 has 8 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 830544.

The previous prime is 1051879. The next prime is 1051889. The reversal of 1051885 is 5881501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1051885 - 2⁹ = 1051373 is a prime.

It is a super-2 number, since 2×1051885² = 2212924106450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051889) 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, 937 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (159840).

2^1051885 is an apocalyptic number.

It is an amenable number.

1051885 is a deficient number, since it is larger than the sum of its proper divisors (226835).

1051885 is an equidigital number, since it uses as much as digits as its factorization.

1051885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 1051885 is about 1025.6144499762. The cubic root of 1051885 is about 101.7004217695.

It can be divided in two parts, 1051 and 885, that added together give a square (1936 = 44²).

The spelling of 1051885 in words is "one million, fifty-one thousand, eight hundred eighty-five".