1341004021 has 12 divisors (see below), whose sum is σ = 1642046880. Its totient is φ = 1088934840.

The previous prime is 1341004003. The next prime is 1341004069. The reversal of 1341004021 is 1204001431.

It is not a de Polignac number, because 1341004021 - 2⁷ = 1341003893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1341003986 and 1341004004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341014021) 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 11 ways as a sum of consecutive naturals, for example, 719265 + ... + 721126.

It is an arithmetic number, because the mean of its divisors is an integer number (136837240).

Almost surely, 2^1341004021 is an apocalyptic number.

It is an amenable number.

1341004021 is a deficient number, since it is larger than the sum of its proper divisors (301042859).

1341004021 is a wasteful number, since it uses less digits than its factorization.

1341004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440424 (or 1440417 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1341004021 is about 36619.7217493525. The cubic root of 1341004021 is about 1102.7490526628.

Adding to 1341004021 its reverse (1204001431), we get a palindrome (2545005452).

The spelling of 1341004021 in words is "one billion, three hundred forty-one million, four thousand, twenty-one".