1335450121 has 4 divisors (see below), whose sum is σ = 1335551812. Its totient is φ = 1335348432.

The previous prime is 1335450059. The next prime is 1335450143. The reversal of 1335450121 is 1210545331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 25806400 + 1309643721 = 5080^2 + 36189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335450121 - 2⁷ = 1335449993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1335450161) 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, 27606 + ... + 58591.

It is an arithmetic number, because the mean of its divisors is an integer number (333887953).

Almost surely, 2^1335450121 is an apocalyptic number.

It is an amenable number.

1335450121 is a deficient number, since it is larger than the sum of its proper divisors (101691).

1335450121 is an equidigital number, since it uses as much as digits as its factorization.

1335450121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101690.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1335450121 is about 36543.8109807940. The cubic root of 1335450121 is about 1101.2245649086.

Adding to 1335450121 its reverse (1210545331), we get a palindrome (2545995452).

The spelling of 1335450121 in words is "one billion, three hundred thirty-five million, four hundred fifty thousand, one hundred twenty-one".