1087601 has 4 divisors (see below), whose sum is σ = 1134912. Its totient is φ = 1040292.

The previous prime is 1087591. The next prime is 1087621. The reversal of 1087601 is 1067801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 47287 = 1087601 / (1 + 0 + 8 + 7 + 6 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (1087621) 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, 23621 + ... + 23666.

It is an arithmetic number, because the mean of its divisors is an integer number (283728).

2^1087601 is an apocalyptic number.

It is an amenable number.

1087601 is a deficient number, since it is larger than the sum of its proper divisors (47311).

1087601 is an equidigital number, since it uses as much as digits as its factorization.

1087601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47310.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1087601 is about 1042.8811053998. The cubic root of 1087601 is about 102.8386892784.

The spelling of 1087601 in words is "one million, eighty-seven thousand, six hundred one".