1335201421 has 8 divisors (see below), whose sum is σ = 1406596320. Its totient is φ = 1263918672.

The previous prime is 1335201409. The next prime is 1335201431. The reversal of 1335201421 is 1241025331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1335201421 - 2⁵ = 1335201389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1335201392 and 1335201401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1335201401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3010 + ... + 51763.

It is an arithmetic number, because the mean of its divisors is an integer number (175824540).

Almost surely, 2^1335201421 is an apocalyptic number.

It is an amenable number.

1335201421 is a deficient number, since it is larger than the sum of its proper divisors (71394899).

1335201421 is a wasteful number, since it uses less digits than its factorization.

1335201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56075.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1335201421 is about 36540.4080573822. The cubic root of 1335201421 is about 1101.1562005552.

Adding to 1335201421 its reverse (1241025331), we get a palindrome (2576226752).

The spelling of 1335201421 in words is "one billion, three hundred thirty-five million, two hundred one thousand, four hundred twenty-one".