1180506 has 8 divisors (see below), whose sum is σ = 2361024. Its totient is φ = 393500.

The previous prime is 1180493. The next prime is 1180507. The reversal of 1180506 is 6050811.

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

1180506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1180507) 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, 98370 + ... + 98381.

It is an arithmetic number, because the mean of its divisors is an integer number (295128).

2^1180506 is an apocalyptic number.

1180506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1180506 is a wasteful number, since it uses less digits than its factorization.

1180506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196756.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1180506 is about 1086.5109295355. The cubic root of 1180506 is about 105.6872829220.

The spelling of 1180506 in words is "one million, one hundred eighty thousand, five hundred six".