1335125121 has 8 divisors (see below), whose sum is σ = 1942000224. Its totient is φ = 809166720.

The previous prime is 1335125111. The next prime is 1335125123. The reversal of 1335125121 is 1215215331.

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

It is not a de Polignac number, because 1335125121 - 2¹⁹ = 1334600833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1335125091 and 1335125100.

It is not an unprimeable number, because it can be changed into a prime (1335125123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20229136 + ... + 20229201.

It is an arithmetic number, because the mean of its divisors is an integer number (242750028).

Almost surely, 2^1335125121 is an apocalyptic number.

1335125121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1335125121 is a deficient number, since it is larger than the sum of its proper divisors (606875103).

1335125121 is a wasteful number, since it uses less digits than its factorization.

1335125121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40458351.

The product of its digits is 900, while the sum is 24.

The square root of 1335125121 is about 36539.3639928229. The cubic root of 1335125121 is about 1101.1352249887.

The spelling of 1335125121 in words is "one billion, three hundred thirty-five million, one hundred twenty-five thousand, one hundred twenty-one".