1341021229 has 4 divisors (see below), whose sum is σ = 1377265084. Its totient is φ = 1304777376.

The previous prime is 1341021203. The next prime is 1341021239. The reversal of 1341021229 is 9221201431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9221201431 = 13 ⋅709323187.

It can be written as a sum of positive squares in 2 ways, for example, as 767179204 + 573842025 = 27698^2 + 23955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341021229 - 2⁹ = 1341020717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341021239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18121872 + ... + 18121945.

It is an arithmetic number, because the mean of its divisors is an integer number (344316271).

Almost surely, 2^1341021229 is an apocalyptic number.

It is an amenable number.

1341021229 is a deficient number, since it is larger than the sum of its proper divisors (36243855).

1341021229 is an equidigital number, since it uses as much as digits as its factorization.

1341021229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36243854.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1341021229 is about 36619.9567039613. The cubic root of 1341021229 is about 1102.7537695327.

The spelling of 1341021229 in words is "one billion, three hundred forty-one million, twenty-one thousand, two hundred twenty-nine".