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1342123 = 7331831
BaseRepresentation
bin101000111101010101011
32112012001021
411013222223
5320421443
644433311
714256616
oct5075253
92465037
101342123
118373a2
12548837
1337cb73
1426d17d
151b79ed
hex147aab

1342123 has 4 divisors (see below), whose sum is σ = 1344688. Its totient is φ = 1339560.

The previous prime is 1342111. The next prime is 1342139. The reversal of 1342123 is 3212431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1342123 - 29 = 1341611 is a prime.

It is the 1159-th Hogben number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 1342097 and 1342106.

It is not an unprimeable number, because it can be changed into a prime (1342153) by changing a digit.

It is a nontrivial repunit in base 1158.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (336172).

21342123 is an apocalyptic number.

1342123 is the 733-rd heptagonal number.

1342123 is a deficient number, since it is larger than the sum of its proper divisors (2565).

1342123 is an equidigital number, since it uses as much as digits as its factorization.

1342123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

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

The square root of 1342123 is about 1158.5003236944. The cubic root of 1342123 is about 110.3055691061.

Adding to 1342123 its reverse (3212431), we get a palindrome (4554554).

It can be divided in two parts, 134 and 2123, that multiplied together give a palindrome (284482).

The spelling of 1342123 in words is "one million, three hundred forty-two thousand, one hundred twenty-three".

Divisors: 1 733 1831 1342123