1161983 has 8 divisors (see below), whose sum is σ = 1276800. Its totient is φ = 1052568.

The previous prime is 1161949. The next prime is 1161991. The reversal of 1161983 is 3891611.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161983 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161683) 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, 893 + ... + 1766.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

2^1161983 is an apocalyptic number.

1161983 is a deficient number, since it is larger than the sum of its proper divisors (114817).

1161983 is a wasteful number, since it uses less digits than its factorization.

1161983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701.

The product of its digits is 1296, while the sum is 29.

The square root of 1161983 is about 1077.9531529709. The cubic root of 1161983 is about 105.1315961510.

The spelling of 1161983 in words is "one million, one hundred sixty-one thousand, nine hundred eighty-three".