Search a number
-
+
1121994 = 23283751
BaseRepresentation
bin100010001111011001010
32010000002100
410101323022
5241400434
640014230
712352056
oct4217312
92100070
101121994
116a6a75
12461376
13303903
14212c66
15172699
hex111eca

1121994 has 24 divisors (see below), whose sum is σ = 2463552. Its totient is φ = 369000.

The previous prime is 1121993. The next prime is 1122001. The reversal of 1121994 is 4991211.

It is not an unprimeable number, because it can be changed into a prime (1121993) 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, 1119 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (102648).

21121994 is an apocalyptic number.

1121994 is an abundant number, since it is smaller than the sum of its proper divisors (1341558).

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

1121994 is a wasteful number, since it uses less digits than its factorization.

1121994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 839 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1121994 is about 1059.2421819395. The cubic root of 1121994 is about 103.9114754585.

The spelling of 1121994 in words is "one million, one hundred twenty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 83 166 249 498 747 751 1494 1502 2253 4506 6759 13518 62333 124666 186999 373998 560997 1121994