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1195421 is a prime number
BaseRepresentation
bin100100011110110011101
32020201210212
410203312131
5301223141
641342205
713106123
oct4436635
92221725
101195421
11747157
12497965
1332b166
14231913
151892eb
hex123d9d

1195421 has 2 divisors, whose sum is σ = 1195422. Its totient is φ = 1195420.

The previous prime is 1195387. The next prime is 1195429. The reversal of 1195421 is 1245911.

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., 931225 + 264196 = 965^2 + 514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1195421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1195429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597710 + 597711.

It is an arithmetic number, because the mean of its divisors is an integer number (597711).

21195421 is an apocalyptic number.

It is an amenable number.

1195421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195421 is an equidigital number, since it uses as much as digits as its factorization.

1195421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 23.

The square root of 1195421 is about 1093.3530994148. The cubic root of 1195421 is about 106.1305203651.

The spelling of 1195421 in words is "one million, one hundred ninety-five thousand, four hundred twenty-one".