1161506 has 8 divisors (see below), whose sum is σ = 1749504. Its totient is φ = 578340.

The previous prime is 1161499. The next prime is 1161509. The reversal of 1161506 is 6051611.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1161509) 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, 530 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (218688).

2^1161506 is an apocalyptic number.

1161506 is a deficient number, since it is larger than the sum of its proper divisors (587998).

1161506 is a wasteful number, since it uses less digits than its factorization.

1161506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1161506 is about 1077.7318776022. The cubic root of 1161506 is about 105.1172084950.

The spelling of 1161506 in words is "one million, one hundred sixty-one thousand, five hundred six".