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1116861 = 347892
BaseRepresentation
bin100010000101010111101
32002202001020
410100222331
5241214421
635534353
712331104
oct4205275
92082036
101116861
116a3129
1245a3b9
13301485
1421103b
15170dc6
hex110abd

1116861 has 12 divisors (see below), whose sum is σ = 1538112. Its totient is φ = 720544.

The previous prime is 1116859. The next prime is 1116887. The reversal of 1116861 is 1686111.

It is not a de Polignac number, because 1116861 - 21 = 1116859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116821) 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, 12505 + ... + 12593.

It is an arithmetic number, because the mean of its divisors is an integer number (128176).

21116861 is an apocalyptic number.

It is an amenable number.

1116861 is a deficient number, since it is larger than the sum of its proper divisors (421251).

1116861 is an frugal number, since it uses more digits than its factorization.

1116861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 139 counting only the distinct ones).

The product of its digits is 288, while the sum is 24.

The square root of 1116861 is about 1056.8164457464. The cubic root of 1116861 is about 103.7527719780.

The spelling of 1116861 in words is "one million, one hundred sixteen thousand, eight hundred sixty-one".

Divisors: 1 3 47 89 141 267 4183 7921 12549 23763 372287 1116861