1061687 has 4 divisors (see below), whose sum is σ = 1158216. Its totient is φ = 965160.

The previous prime is 1061677. The next prime is 1061689. The reversal of 1061687 is 7861601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7861601 = 11 ⋅714691.

It is a cyclic number.

It is not a de Polignac number, because 1061687 - 2⁶ = 1061623 is a prime.

It is a super-2 number, since 2×1061687² = 2254358571938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48248 + ... + 48269.

It is an arithmetic number, because the mean of its divisors is an integer number (289554).

2^1061687 is an apocalyptic number.

1061687 is a deficient number, since it is larger than the sum of its proper divisors (96529).

1061687 is an equidigital number, since it uses as much as digits as its factorization.

1061687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96528.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1061687 is about 1030.3819680099. The cubic root of 1061687 is about 102.0153443531.

The spelling of 1061687 in words is "one million, sixty-one thousand, six hundred eighty-seven".