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BaseRepresentation
bin100100011100110110101
32020200102211
410203212311
5301210141
641333421
713103164
oct4434665
92220384
101194421
11746428
12497271
1332a877
142313db
15188d81
hex1239b5

1194421 has 2 divisors, whose sum is σ = 1194422. Its totient is φ = 1194420.

The previous prime is 1194407. The next prime is 1194439. The reversal of 1194421 is 1244911.

Multipling 1194421 by its sum of digits (22), we get a palindrome (26277262).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 505521 = 830^2 + 711^2 .

It is an emirp because it is prime and its reverse (1244911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1194421 - 27 = 1194293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1194392 and 1194401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1194521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597210 + 597211.

It is an arithmetic number, because the mean of its divisors is an integer number (597211).

21194421 is an apocalyptic number.

It is an amenable number.

1194421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1194421 is an equidigital number, since it uses as much as digits as its factorization.

1194421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 1194421 is about 1092.8956949316. The cubic root of 1194421 is about 106.1009184849.

The spelling of 1194421 in words is "one million, one hundred ninety-four thousand, four hundred twenty-one".