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1342129 = 2415569
BaseRepresentation
bin101000111101010110001
32112012001111
411013222301
5320422004
644433321
714256625
oct5075261
92465044
101342129
118373a8
12548841
1337cb79
1426d185
151b7a04
hex147ab1

1342129 has 4 divisors (see below), whose sum is σ = 1347940. Its totient is φ = 1336320.

The previous prime is 1342111. The next prime is 1342139. The reversal of 1342129 is 9212431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9212431 = 24113821.

It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 725904 = 785^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342129 - 27 = 1342001 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1342109) 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 in 3 ways as a sum of consecutive naturals, for example, 2544 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (336985).

21342129 is an apocalyptic number.

It is an amenable number.

1342129 is a deficient number, since it is larger than the sum of its proper divisors (5811).

1342129 is an equidigital number, since it uses as much as digits as its factorization.

1342129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810.

The product of its digits is 432, while the sum is 22.

The square root of 1342129 is about 1158.5029132462. The cubic root of 1342129 is about 110.3057334806.

The spelling of 1342129 in words is "one million, three hundred forty-two thousand, one hundred twenty-nine".

Divisors: 1 241 5569 1342129