1061885 has 16 divisors (see below), whose sum is σ = 1425600. Its totient is φ = 752640.

The previous prime is 1061881. The next prime is 1061897. The reversal of 1061885 is 5881601.

It is not a de Polignac number, because 1061885 - 2² = 1061881 is a prime.

It is a super-2 number, since 2×1061885² = 2255199506450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2141 + ... + 2589.

It is an arithmetic number, because the mean of its divisors is an integer number (89100).

2^1061885 is an apocalyptic number.

It is an amenable number.

1061885 is a deficient number, since it is larger than the sum of its proper divisors (363715).

1061885 is a wasteful number, since it uses less digits than its factorization.

1061885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 1061885 is about 1030.4780444046. The cubic root of 1061885 is about 102.0216857647.

It can be divided in two parts, 106 and 1885, that added together give a palindrome (1991).

The spelling of 1061885 in words is "one million, sixty-one thousand, eight hundred eighty-five".