1182861 has 12 divisors (see below), whose sum is σ = 1720992. Its totient is φ = 782856.

The previous prime is 1182847. The next prime is 1182869. The reversal of 1182861 is 1682811.

It is not a de Polignac number, because 1182861 - 2¹³ = 1174669 is a prime.

1182861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1182869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110 + ... + 1896.

It is an arithmetic number, because the mean of its divisors is an integer number (143416).

2^1182861 is an apocalyptic number.

It is an amenable number.

1182861 is a deficient number, since it is larger than the sum of its proper divisors (538131).

1182861 is a wasteful number, since it uses less digits than its factorization.

1182861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 957 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 1182861 is about 1087.5941338569. The cubic root of 1182861 is about 105.7575150168.

The spelling of 1182861 in words is "one million, one hundred eighty-two thousand, eight hundred sixty-one".