1187607 has 8 divisors (see below), whose sum is σ = 1603840. Its totient is φ = 781560.

The previous prime is 1187587. The next prime is 1187623. The reversal of 1187607 is 7067811.

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

It is not a de Polignac number, because 1187607 - 2⁷ = 1187479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2269 + ... + 2742.

It is an arithmetic number, because the mean of its divisors is an integer number (200480).

2^1187607 is an apocalyptic number.

1187607 is a deficient number, since it is larger than the sum of its proper divisors (416233).

1187607 is an equidigital number, since it uses as much as digits as its factorization.

1187607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 1187607 is about 1089.7738297463. The cubic root of 1187607 is about 105.8987700942.

The spelling of 1187607 in words is "one million, one hundred eighty-seven thousand, six hundred seven".