1341218129 has 8 divisors (see below), whose sum is σ = 1392633000. Its totient is φ = 1290147712.

The previous prime is 1341218119. The next prime is 1341218141. The reversal of 1341218129 is 9218121431.

It can be written as a sum of positive squares in 4 ways, for example, as 27300625 + 1313917504 = 5225^2 + 36248^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1341218129 - 2²⁸ = 1072782673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1341218095 and 1341218104.

It is not an unprimeable number, because it can be changed into a prime (1341218119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78164 + ... + 93765.

It is an arithmetic number, because the mean of its divisors is an integer number (174079125).

Almost surely, 2^1341218129 is an apocalyptic number.

It is an amenable number.

1341218129 is a deficient number, since it is larger than the sum of its proper divisors (51414871).

1341218129 is a wasteful number, since it uses less digits than its factorization.

1341218129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172227.

The product of its digits is 3456, while the sum is 32.

The square root of 1341218129 is about 36622.6450300903. The cubic root of 1341218129 is about 1102.8077387481.

The spelling of 1341218129 in words is "one billion, three hundred forty-one million, two hundred eighteen thousand, one hundred twenty-nine".