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1142233 is a prime number
BaseRepresentation
bin100010110110111011001
32011000211221
410112313121
5243022413
640252041
712465061
oct4266731
92130757
101142233
117101a4
12471021
1330cba1
1421a3a1
1517868d
hex116dd9

1142233 has 2 divisors, whose sum is σ = 1142234. Its totient is φ = 1142232.

The previous prime is 1142201. The next prime is 1142237. The reversal of 1142233 is 3322411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 937024 + 205209 = 968^2 + 453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142233 - 25 = 1142201 is a prime.

It is an Ulam number.

1142233 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1142237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571116 + 571117.

It is an arithmetic number, because the mean of its divisors is an integer number (571117).

21142233 is an apocalyptic number.

It is an amenable number.

1142233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142233 is an equidigital number, since it uses as much as digits as its factorization.

1142233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 16.

The square root of 1142233 is about 1068.7530116917. The cubic root of 1142233 is about 104.5325555031.

Adding to 1142233 its reverse (3322411), we get a palindrome (4464644).

The spelling of 1142233 in words is "one million, one hundred forty-two thousand, two hundred thirty-three".