1341003121 has 4 divisors (see below), whose sum is σ = 1345951744. Its totient is φ = 1336054500.

The previous prime is 1341003101. The next prime is 1341003133. The reversal of 1341003121 is 1213001431.

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.

It is a cyclic number.

It is not a de Polignac number, because 1341003121 - 2²⁹ = 804132209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1341003095 and 1341003104.

It is not an unprimeable number, because it can be changed into a prime (1341003101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2473905 + ... + 2474446.

It is an arithmetic number, because the mean of its divisors is an integer number (336487936).

Almost surely, 2^1341003121 is an apocalyptic number.

It is an amenable number.

1341003121 is a deficient number, since it is larger than the sum of its proper divisors (4948623).

1341003121 is an equidigital number, since it uses as much as digits as its factorization.

1341003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948622.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1341003121 is about 36619.7094608900. The cubic root of 1341003121 is about 1102.7488059634.

Adding to 1341003121 its reverse (1213001431), we get a palindrome (2554004552).

The spelling of 1341003121 in words is "one billion, three hundred forty-one million, three thousand, one hundred twenty-one".