1180387 has 16 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 1008000.

The previous prime is 1180381. The next prime is 1180391. The reversal of 1180387 is 7830811.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1180387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1180381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11637 + ... + 11737.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2^1180387 is an apocalyptic number.

1180387 is a deficient number, since it is larger than the sum of its proper divisors (190493).

1180387 is a wasteful number, since it uses less digits than its factorization.

1180387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1180387 is about 1086.4561657057. The cubic root of 1180387 is about 105.6837315609.

The spelling of 1180387 in words is "one million, one hundred eighty thousand, three hundred eighty-seven".