1061887 has 8 divisors (see below), whose sum is σ = 1119456. Its totient is φ = 1005312.

The previous prime is 1061881. The next prime is 1061897. The reversal of 1061887 is 7881601.

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 1061887 - 2⁷ = 1061759 is a prime.

It is a super-2 number, since 2×1061887² = 2255208001538, which contains 22 as substring.

1061887 is a lucky number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2983 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (139932).

2^1061887 is an apocalyptic number.

1061887 is a deficient number, since it is larger than the sum of its proper divisors (57569).

1061887 is a wasteful number, since it uses less digits than its factorization.

1061887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1061887 is about 1030.4790148276. The cubic root of 1061887 is about 102.0217498153.

The spelling of 1061887 in words is "one million, sixty-one thousand, eight hundred eighty-seven".