1341021001 has 4 divisors (see below), whose sum is σ = 1347760000. Its totient is φ = 1334282004.

The previous prime is 1341020977. The next prime is 1341021041. The reversal of 1341021001 is 1001201431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1001201431 = 23 ⋅43530497.

It is a cyclic number.

It is not a de Polignac number, because 1341021001 - 2¹⁹ = 1340496713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341021041) 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, 3369201 + ... + 3369598.

It is an arithmetic number, because the mean of its divisors is an integer number (336940000).

Almost surely, 2^1341021001 is an apocalyptic number.

It is an amenable number.

1341021001 is a deficient number, since it is larger than the sum of its proper divisors (6738999).

1341021001 is an equidigital number, since it uses as much as digits as its factorization.

1341021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738998.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1341021001 is about 36619.9535909045. The cubic root of 1341021001 is about 1102.7537070360.

Adding to 1341021001 its reverse (1001201431), we get a palindrome (2342222432).

The spelling of 1341021001 in words is "one billion, three hundred forty-one million, twenty-one thousand, one".