1170987 has 8 divisors (see below), whose sum is σ = 1576080. Its totient is φ = 773280.

The previous prime is 1170979. The next prime is 1171031. The reversal of 1170987 is 7890711.

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

It is not a de Polignac number, because 1170987 - 2³ = 1170979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1170947) 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, 1464 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (197010).

2^1170987 is an apocalyptic number.

1170987 is a deficient number, since it is larger than the sum of its proper divisors (405093).

1170987 is a wasteful number, since it uses less digits than its factorization.

1170987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 1170987 is about 1082.1215273711. The cubic root of 1170987 is about 105.4024464528.

The spelling of 1170987 in words is "one million, one hundred seventy thousand, nine hundred eighty-seven".