1061587 has 8 divisors (see below), whose sum is σ = 1137600. Its totient is φ = 987624.

The previous prime is 1061573. The next prime is 1061591. The reversal of 1061587 is 7851601.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061587 is a prime.

It is a super-2 number, since 2×1061587² = 2253933917138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061527) 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, 648 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (142200).

2^1061587 is an apocalyptic number.

1061587 is a deficient number, since it is larger than the sum of its proper divisors (76013).

1061587 is an equidigital number, since it uses as much as digits as its factorization.

1061587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1061587 is about 1030.3334411733. Note that the first 3 decimals coincide. The cubic root of 1061587 is about 102.0121413203.

The spelling of 1061587 in words is "one million, sixty-one thousand, five hundred eighty-seven".